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Topical use of dexpanthenol: a 70th anniversary article


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Approximately 70 years ago, the first topical dexpanthenol-containing formulation (Bepanthen™ Ointment) has been developed. Nowadays, various topical dexpanthenol preparations exist, tailored according to individual requirements. Topical dexpanthenol has emerged as frequently used formulation in the field of dermatology and skin care. Various studies confirmed dexpanthenol’s moisturizing and skin barrier enhancing potential. It prevents skin irritation, stimulates skin regeneration and promotes wound healing. Two main directions in the use of topical dexpanthenol-containing formulations have therefore been pursued: as skin moisturizer/skin barrier restorer and as facilitator of wound healing. This 70th anniversary paper reviews studies with topical dexpanthenol in skin conditions where it is most frequently used. Although discovered decades ago, the exact mechanisms of action of dexpanthenol have not been fully elucidated yet. With the adoption of new technologies, new light has been shed on dexpanthenol’s mode of action at the molecular level. It appears that dexpanthenol increases the mobility of stratum corneum molecular components which are important for barrier function and modulates the expression of genes important for wound healing. This review will update readers on recent advances in this field.
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Journal of Dermatological Treatment
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Topical use of dexpanthenol: a 70th anniversary
Ehrhardt Proksch, Raymond de Bony, Sonja Trapp & Stéphanie Boudon
To cite this article: Ehrhardt Proksch, Raymond de Bony, Sonja Trapp & Stéphanie Boudon
(2017) Topical use of dexpanthenol: a 70th anniversary article, Journal of Dermatological
Treatment, 28:8, 766-773, DOI: 10.1080/09546634.2017.1325310
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© 2017 The Author(s). Published by Informa
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Published online: 14 May 2017.
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Topical use of dexpanthenol: a 70th anniversary article
Ehrhardt Proksch
, Raymond de Bony
, Sonja Trapp
and St
ephanie Boudon
Department of Dermatology, University of Kiel, Kiel, Germany;
Bayer Consumer Care AG, Basel, Switzerland
Approximately 70 years ago, the first topical dexpanthenol-containing formulation (Bepanthen
Ointment) has been developed. Nowadays, various topical dexpanthenol preparations exist, tailored
according to individual requirements. Topical dexpanthenol has emerged as frequently used formulation
in the field of dermatology and skin care. Various studies confirmed dexpanthenols moisturizing and skin
barrier enhancing potential. It prevents skin irritation, stimulates skin regeneration and promotes wound
healing. Two main directions in the use of topical dexpanthenol-containing formulations have therefore
been pursued: as skin moisturizer/skin barrier restorer and as facilitator of wound healing. This 70th anni-
versary paper reviews studies with topical dexpanthenol in skin conditions where it is most frequently
used. Although discovered decades ago, the exact mechanisms of action of dexpanthenol have not been
fully elucidated yet. With the adoption of new technologies, new light has been shed on dexpanthenols
mode of action at the molecular level. It appears that dexpanthenol increases the mobility of stratum cor-
neum molecular components which are important for barrier function and modulates the expression of
genes important for wound healing. This review will update readers on recent advances in this field.
Received 7 April 2017
Revised 21 April 2017
Accepted 27 April 2017
Bepanthen; dexpanthenol;
skin; topical; anniversary
Pantothenic acid, a member of the B complex vitamins (vitamin B5),
was discovered in 1931 by Roger J. Williams (18931988) during his
studies on microbial growth factors. The name pantothenic acid,
given to this substance by Williams and Saunders in 1933, should
indicate its wide spread occurrence in nature (1,2). In 1934, it was
shown that pantothenic acid has a profound stimulating effect on
cell proliferation in yeast (3) which eventually led to the develop-
ment of the first topical dexpanthenol preparation (Bepanthen
Dexpanthenol is a stable alcoholic analog of pantothenic acid.
Contrary to pantothenic acid, it is well absorbed through the skin
(4,5). Bepanthen
was first introduced as an ointment approxi-
mately 70 years ago (in 1944). When applied topically, dexpanthenol
is readily absorbed and rapidly converted enzymatically to panto-
thenic acid, a constituent of coenzyme A (6). Nowadays, different
topical dexpanthenol preparations exist (cream, emollient, drops,
gel, lotion, oil, ointment, solution and spray), tailored according to
individual needs, ranging from pediatric to adult use. Dexpanthenol
is also used as dissolving lozenge/pastille for mouth and throat irri-
tations (7). Coenzyme A catalyzes the synthesis of fatty acids and
sphingolipids which are important for stratum corneum lipid layers
(710). Hence, pantothenic acid is essential for epithelia to maintain
their physiological function (11).
It has been shown that topical dexpanthenol acts like a mois-
turizer with barrier-improving properties; in addition, it exerts
wound healing effects (e.g. 10,1217). Two main directions of its
use have therefore been pursued: as skin moisturizer/skin barrier
restorer and as facilitator of wound healing. It may be inferred
that this molecule provides a dual action benefit for subjects in
need for skin care and/or wound healing.
Based on a systematic literature search in the PubMed and
Embase databases, this 70th anniversary paper reviews studies
with topical dexpanthenol, with particular emphasis on its useful-
ness in different skin conditions. In addition, it will update readers
on recent advances of dexpanthenols mechanism of action when
used as a component of skin care products (Part I) and when
used therapeutically (Part II). Double-blind controlled studies
on topical dexpanthenol cited in Part I and Part II have been
summarized in Table 1 and Table 2, respectively.
Part I dexpanthenol as moisturizer with
barrier-improving properties
Impaired skin barrier plays a major role in various skin conditions
like dry skin (as a condition itself), sensitive skin, seborrheic
dermatitis, atopic dermatitis (AD) or contact dermatitis (18,19).
Moisturization and restoration of the stratum corneum skin barrier
are therefore important properties of any skin care product (20).
Dexpanthenol improves skin hydration when applied topically;
this activity may be related to dexpanthenols hygroscopic proper-
ties and its capability to promote retention of moisture (11,20).
The hydrating effect seems to be interrelated with its capacity to
regenerate the epidermal barrier (5). A recent experimental study
with excised porcine skin showed that dexpanthenol increases the
molecular mobility of several lipid and protein segments of the
stratum corneum thereby generating properties of a hydrated skin
also in dehydrated conditions. Specifically, it has been demon-
strated that dexpanthenol interacts with lipid segments of the
extracellular lamellae and protein residues in the corneocytes in
stratum corneum and thus compensates for reduced hydration by
retaining/increasing molecular fluidity (21).
The mechanisms by which dexpanthenol restores and protects
skin barrier function have not been fully elucidated. As the differ-
ent layers of the skin undergo continual renewal, moisturizers pro-
vide an environment which promotes physiological processes
ephanie Boudon Bayer Consumer Care AG, Peter Merian-Strasse 84, CH-4002 Basel, Switzerland
ß2017 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group
This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (,
which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.
VOL. 28, NO. 8, 766773
(e.g. enzyme functioning) necessary for maintaining or restoring
skin barrier function. In addition, topically applied substances may
also penetrate deeper into the epidermis and interfere with the
production of barrier lipids and the maturation of corneocytes
(20). In fact, it has been suggested that dexpanthenol promotes
epidermal regeneration by enhancing epidermal differentiation
and lipid synthesis (19).
Role of topical dexpanthenol in atopic dermatitis and
nappy rash
Atopic dermatitis
Deficient skin barrier function leading to increased transepidermal
water loss (TEWL) and decreased stratum corneum hydration (dry
skin) is a characteristic feature of AD (22,23). Clinical studies
showed that the daily use of skin care products may prevent AD
or can prolong the time between flare-ups (2426). Therefore, top-
ical dexpanthenol has a clear role as skin care product during
post-inflammatory AD maintenance stages due to its proven skin
moisturization and skin barrier restoration potential.
In a double-blind, randomized controlled trial (RCT) in a total
of 60 healthy subjects, topical dexpanthenol formulated in two
different lipophilic vehicles at a concentration of 2.5% was
administered to the skin. Twice-daily application over 7 d statis-
tically significantly improved stratum corneum hydration and
reduced TEWL compared with controls (27). In the context of a
randomized study in 20 healthy subjects, the same group eval-
uated a hydrophilic emulsion containing 2.5 or 5% dexpanthenol
with respect to its effect on hydration and skin barrier repair
using the repetitive washing test with sodium lauryl sulfate (SLS)
(28). Topical application of both dexpanthenol-containing emul-
sions statistically significantly improved stratum corneum hydra-
tion and skin barrier function compared with control. The effects
were numerically more pronounced with the 5% dexpanthenol-
containing emulsion. The results were in accordance with a
similarly designed study which tested a 2.5% dexpanthenol-
containing lotion in 20 healthy volunteers as to its effect on
hydration and skin barrier repair using the repetitive washing
test with SLS (29).
Proksch and Nissen (10) showed that a 5% dexpanthenol-
containing cream enhanced skin barrier repair and stratum cor-
neum hydration in experimentally damaged human skin when
applied twice-daily for 7 d as assessed by TEWL and corneometry,
respectively (Figures 1 and 2).
Table 1. Double-blind controlled studies related to dexpanthenols use as skin care product.
Author Objective Treatment duration NKey results
Gehring and Gloor (27) Effect of DEX 2.5% on SC hydration
and TEWL (control: vehicle)
Twice-daily application for 7 d 60 HS DEX 2.5% increased SC hydra-
tion and reduced TEWL (for
both: p<.05 vs. vehicle)
Biro et al. (30) Efficacy of DEX 5% in skin
protection against irritation
(control: PL)
Twice-daily application for 26 d;
from days 1522, SLS 2% was
applied twice-daily
25 HS SC hydration remained stable at
DEX 5%-treated sites, at PL-
treated sites SC hydration
decreased (p<.05); DEX 5%
showed better protection
against irritation than PL
Sznurkowska et al. (44) Efficacy of DEX in protecting infants
from diaper rash (control: zinc
oxide paste)
28 d, at each diaper change 109 children predisposed to
nappy rash
Almost all subjects (about 96%
for both DEX and zinc oxide)
remained free of clinically
relevant diaper rash during
the study
DEX: topical dexpanthenol; HS: healthy subjects; N: total number of subjects; PL: placebo; SC: stratum corneum; SLS: sodium lauryl sulfate; TEWL: transepidermal
water loss.
Table 2. Double-blind controlled studies related to dexpanthenols topical use as facilitator of wound healing.
Author Objective Treatment duration NKey results
Pugliese et al. (59) Efficacy of DEX 5% on healing
process of epidermal shave
biopsy wounds (controls:
vehicle, first aid cream)
Daily application for 5 d 15 HS Histologically, in 10 of 15 sub-
jects, DEX 5% was most
effective in improving the
wound healing process and it
received higher healing rat-
ings than vehicle treatment
Dubecq and Detchart (64) Efficacy of DEX 5% in treatment
of nipple fissures (control:
1 week (not further specified) 60 nursing mothers with nipple
With DEX 5%, the proportion of
subjects who experienced
healing of their nipple fis-
sures was higher compared
with vehicle treatment (68 vs.
34%, p<.05)
Girard et al. (68) Efficacy of DEX 5% in the graft
donor site wound healing
model (control: vehicle)
Mesh graft donor sites were
treated twice-daily for 14 d
35 patients undergoing skin
grafting due to burns
Skin area treated with DEX 5%
showed earlier normalization
tendencies than with vehicle;
from 7th day onwards, skin
was more hydrated than
vehicle-treated area (p¼.05)
and the healing-associated
pruritus ceased earlier
DEX: topical dexpanthenol; HS: healthy subjects; N: total number of subjects.
Biro et al. (30) conducted a double-blind RCT in 25 healthy
subjects to investigate the efficacy of dexpanthenol in skin protec-
tion against irritation. The forearms of the subjects were treated
with either an ointment containing 5% dexpanthenol or placebo
twice-daily for 26 d. From days 1522, SLS 2% was applied to
these skin areas. Hydration of the stratum corneum remained
essentially stable at the dexpanthenol-treated sites throughout
the study, whereas corneometry results showed a decrease at the
placebo-treated sites at the end of the SLS challenge period
(p<.05). Moreover, topical dexpanthenol exhibited better protect-
ive effects against skin irritation than placebo. This observation
was explained by dexpanthenols ability to preserve good hydra-
tion of the stratum corneum under the influence of an irritant
agent, whereas placebo treatment failed to do so. The results
were in agreement with an earlier single-blind study using an
ointment in 35 female volunteers to investigate dexpanthenols
protective effect against irritation induced by SLS (31).
In a single-blind, placebo-controlled study, Camargo et al. (32)
evaluated the skin moisturizing efficacy of formulations containing
0.5, 1 or 5% dexpanthenol in a total of 40 healthy female subjects.
Dexpanthenol-containing formulations (1.0 and 5.0%) produced
significant decreases (p<.001) in TEWL after 15 and 30 d periods
of daily application when compared with baseline and control site
(vehicle only) values. Moreover, in skin washed with SLS, a
significant reduction of TEWL was evident 2 h after application of
formulations loaded with dexpanthenol.
Stettler et al. (33) conducted two randomized, intra-individual
comparison studies in a total of 43 healthy subjects to evaluate
the skin moisturization and barrier restoration potential of a new
topical dexpanthenol-containing emollient, and its effect on skin
microflora. This skin care preparation has been developed for sub-
jects with non-inflammatory dry and sensitive skin conditions,
such as AD while in remission phase between flares. Study 1
showed that barrier restoration was more pronounced with the
emollient as reflected by mean AUC for TEWL reduction from
baseline (168.36 vs. 123.38 g/m
/h, p¼.023). Emollient use was
also associated with statistically significant improvements in stra-
tum corneum hydration and an increase in intercellular lipid
lamellae length in the stratum corneum (increase from baseline
on day 22: 120.61 vs. 35.85 nm/1000 nm
,p<.001). In study 2, the
dexpanthenol emollient use had no negative impact on bacterial
viability; a numerically higher proportion of subjects showed com-
mensal bacteria.
In another set of two studies, Stettler et al. (34) investigated
the skin moisturizing effect of the dexpanthenol-containing emol-
lient in healthy adults with dry skin and in healthy infants. Study
1(N¼44) was a randomized, intra-individual comparison
study while study 2 was a non-comparative trial (N¼65, age:
325 months). In study 1, application of emollient produced an
increase in stratum corneum hydration as reflected by an
enhanced electrical capacitance of the skin surface. In study 2, the
dexpanthenol emollient was well tolerated by the infants and skin
hydration significantly increased over the study course.
In studies with AD patients, the moisturizing and barrier-
improving properties of topical dexpanthenol were well perceived
by affected subjects (35,36).
Nappy rash
Nappy rash (irritant diaper dermatitis and napkin dermatitis) is a
form of irritant contact dermatitis occurring in the diaper area, it
is a common skin condition among infants (37). The most crucial
factor for developing nappy rash is prolonged skin contact with
urine and feces which causes disruption of the skin barrier by
maceration (softening and weakening of the stratum corneum
with extraction of natural moisturizing factors), locally increased
alkalinity leading to activation of fecal proteases and lipases, and
friction (38,39). The key to successful nappy rash management is
the implementation of preventive measures. It comprises gentle
cleansing, immediate changing of diapers containing urine and
feces, and regular application of a protective barrier preparation
(3941). The application of barrier creams or ointments at each
diaper change has been recommended as protective or preventive
measure; they form a lipid film on the skin surface and protect it
from contact with moisture and irritants (39,41). In fact, the use of
barrier emollients at nappy changes is now standard practice (42).
In recognition of the increasing importance of the use of barrier
skin care preparations as a measure in the prevention of nappy
rash, an international expert panel of dermatologists and pediatri-
cians agreed in 2012 on nine standards for the ideal nappy care
preparation that is suitable for repeated application on the vulner-
able skin of infants (Table 3)(39). The panel revised an earlier con-
sensus published in 2004 (43), increasing the previous seven
standards to nine by adding the items enhances natural protec-
tion of the skinand is pleasant to use.
Recently, a new dexpanthenol-containing water-in-oil ointment
has been developed to be used topically in the diaper area of
infants. Data from various in vitro and in vivo studies showed that
after SLS
Hydration (a.u.)
Figure 2. Stratum corneum hydration after SLS pretreatment and twice-daily
application for 7 d of a dexpanthenol-containing preparation (cream), vehicle or
being left untreated. Stratum corneum hydration was measured by Corneometer.
N¼20, p<.05 (verum vs. vehicle). a.u.¼arbitrary units. From Ref. (10) with kind
permission from Taylor & Francis Ltd. (
TEWL (g/hm2)
after SLS
Figure 1. Transepidermal water loss (TEWL) after SLS pretreatment and twice-
daily application for 7 d of a dexpanthenol-containing preparation (cream),
vehicle, or being left untreated. Permeability barrier disruption was induced by
5% SLS under occlusion by plastic chambers for 24h. TEWL was measured by
Tewameter. N¼20, p<.05 (verum vs. vehicle). From Ref. (10) with kind permis-
sion from Taylor & Francis Ltd. (
this formulation meets the suggested standards for an ideal nappy
care preparation (44). In a double-blind RCT in 109 children pre-
disposed to nappy rash (324 months), this formulation was
equivalent to zinc oxide lipophilic paste in protecting infants form
clinically relevant diaper rash when used for 28 d. According to
pediatriciansassessment, the overwhelming majority of subjects
(about 96% for both dexpanthenol ointment and zinc oxide) were
free of clinically relevant diaper rash during the study course (44).
The usefulness of dexpanthenol-containing ointments in the
management of nappy rash has also been shown by others
Putet et al. (46) reported results from two clinical trials (on pre-
vention and treatment) which showed that an ointment contain-
ing 5% dexpanthenol can help to manage nappy rash. The
prevention study was an open, randomized trial in hospitalized
newborns free from nappy rash at study inclusion with a double-
blind evaluation of standardized photographs taken from treated
skin areas at baseline and at study end (45,46). Subjects were
randomized to receive either an ointment containing 5% dexpan-
thenol on the buttocks at each of the four diaper changes per
day (N¼26) or no treatment (N¼28). The study population
included 15 twins out of which 12 twins were allocated to differ-
ent treatment groups. For both groups, the average study length
was approximately 2 weeks. In the group treated with the oint-
ment, 31% of subjects developed nappy rash over the study
course compared with 57% of subjects in the untreated group.
In the subpopulation of twins, the difference was even more
pronounced (Figure 3).
Role of topical dexpanthenol in dermatologic
conditions associated with diabetes
Proksch (49) showed that two dexpanthenol-containing lotions
suitable for skin care of diabetic feet and legs significantly
improved skin hydration (as assessed by corneometry) when
administered twice daily to diabetics with dry skin for 4 weeks.
Both preparations were well accepted by study participants and
improved subjective findings (tension, itching and dryness) in the
treated areas. It was inferred that the tested preparations can help
preventing foot infections in patients with diabetes mellitus.
Part II dexpanthenol as facilitator of wound healing
The process of wound healing is often divided in three phases:
inflammation, cell proliferation and matrix deposition. Tissue
remodeling has an increased need for pantothenic acid because
of the increased turnover of cells for wound repair (14,50,51). It
has been suggested that the reported beneficial effect of dexpan-
thenol on wound healing is the result of increased fibroblast pro-
liferation and accelerated epithelialization (17); both processes are
important for the cure of both deep and superficial wounds (7).
This complies with in vitro findings gathered with dexpanthenol.
The dermal fibroblast possesses multilineage differentiation
potential and plays a key role in tissue repair and thus cutaneous
wound healing (52,53). The effects of dexpanthenol on human
fibroblasts (e.g. enhanced proliferation, cellular migration, attach-
ment of fibroblasts and collagen synthesis) have been shown in
several in vitro studies (14,5356). Although the beneficial influ-
ence of dexpanthenol on cell proliferation and wound healing has
been well documented, its properties at the molecular level
remained unclear for a long time. With the availability of novel
molecular tools the situation changed.
Wiederholt et al. (53) investigated the molecular mechanisms
linked to the stimulatory effect of pantothenate on the prolifer-
ation of dermal fibroblasts in vitro. Gene expression was analyzed
in human dermal fibroblasts cultivated with 20 lg/ml of panto-
thenate compared with untreated cells. Microarray analysis
detected a significant upregulation of IL-6, IL-8, Id1, HMOX-1,
HspB7 and CYP1B1 expression by pantothenate. As IL-6 and IL-8
are among the cytokines most strongly expressed during wound
healing (57), the upregulation of IL-6 and IL-8 expression in der-
mal fibroblasts may therefore contribute to the wound healing
features of dexpanthenol-containing topicals (53). To correlate
these in vitro findings with the in vivo situation of wound healing,
Heise et al. (58) conducted a randomized, double-blind study in
which the dexpanthenol-induced gene expression profile in punch
biopsies of previously injured and dexpanthenol-treated skin in
comparison to placebo-treated skin was analyzed at the molecular
level. In samples treated topically with dexpanthenol, upregulation
of IL-6, IL-1b, CYP1B1, CXCL1, CCL18 and KAP 42 gene expression
was detected thereby suggesting a strong correlation between
in vitro data assessed in cultured dermal fibroblasts and the in
vivo situation. The favorable wound healing characteristics of dex-
panthenol may therefore be mediated at least in part by a
dexpanthenol-induced upregulation of the expression of genes
(with enhanced mRNA levels) important for wound healing (58). In
a recent study, a novel human three-dimensional skin wound
healing model was applied to investigate the dexpanthenol-medi-
ated stimulatory effects on wound closure. Topical treatment of
skin wounds with different dexpanthenol containing preparations
clearly enhanced wound closure compared to untreated or vasel-
ine-treated controls. Gene expression analysis showed increased
mRNA expression of genes involved in wound healing (16).
Role of topical dexpanthenol in the treatment of minor
Models of superficial injury
Pugliese et al. (59) conducted a double-blind RCT with a water-in-oil-
emulsion containing 5% dexpanthenol in healthy adult volunteers.
Frequency of diaper rash appearance (%)
Entire population
Sub-population of twins
p = 0.025
Wilcoxon test
p = 0.06
X2 test
TreatedNon treated
Figure 3. Frequency of nappy rash occurrence in newborns preventively treated
with a dexpanthenol-containing ointment (5%) compared with untreated sub-
jects. From Ref. (46) with kind permission from Realitespediatriques.
Table 3. The nine standards of an ideal topical nappy care preparation
1. Has proven clinical efficacy and safety in babies
2. Enhances natural protection of the skin
3. Maintains optimum moisture levels
4. Contains ingredients with documented safety and benefit
5. Contains no unnecessary ingredients
6. Contains no potentially toxic ingredients
7. Contains no potential sensitizers such as fragrances
8. Contains no antiseptics or preservatives
9. Is pleasant to use
From Ref. (39).
In all subjects, four standardized epidermal shave biopsy wounds
were produced; three wounds were each treated daily for 5 d with
either the dexpanthenol water-in-oil emulsion, a corresponding
water-in-oil emulsion without dexpanthenol, or a first aid cream.
The fourth wound remained untreated and served as additional
control. Erythema, wound closure, wound volume and viscoelasti-
city were assessed using ultrasound and histological techniques.
Epidermal wounds treated with the dexpanthenol emulsion showed
a reduction in erythema and a more elastic and solid tissue regen-
eration. Histologically, in 10 of 15 subjects, the dexpanthenol prep-
aration was most effective in improving the wound healing
Wollina and Kubicki (15) investigated the potential of topical
dexpanthenol to improve epidermal regeneration and wound
healing by employing different in vivo models of minor skin
trauma, including cryosurgery and suction blistering to induce
superficial subepidermal wounds. The reduction of wound area
was measured by TEWL. A faster healing was observed upon treat-
ment with dexpanthenol compared with vehicle control.
Hartel et al. (60) performed a RCT in 12 healthy subjects to
explore the wound healing effect of water-filtered infrared-A using
an acute wound model (superficial wounds generated by suction
cup technique). The formation of the stratum corneum was meas-
ured by laser scanning microscopy. Four different treatments were
administered over 10 d, including no therapy. The fastest stratum
corneum formation was observed when water-filtered infrared-A
irradiation was combined with the daily use of a dexpanthenol
Cracked nipples
Cracked nipples may occur during the breastfeeding period. It is a
painful condition and can lead to early cessation of breastfeeding
despite the mothers wish to continue breastfeeding (61).
Dexpanthenol-containing ointments have a long history in nipple
care during breastfeeding, particularly in the treatment of nipple
cracks and fissures (62,63).
Dubecq and Detchart (64) conducted a double-blind RCT in 60
nursing mothers with nipple fissures. Study participants were
treated with an ointment containing 5% dexpanthenol or with
placebo (vehicle only) for 1 week under hospitalized conditions. In
three additional groups, the prophylactic effect of the dexpanthe-
nol ointment was studied when administered for 1 week. These
breastfeeding women received either the ointment (N¼25),
vehicle only (N¼28), or were left untreated (N¼80). The propor-
tion of subjects who experienced healing of their nipple fissures
was significantly higher in the active group compared with pla-
cebo (68 vs. 34%, p<.05). In the prophylaxis study, 92% of sub-
jects in the active group remained free from nipple fissures
compared with 82% in the vehicle group, and 77.5% in the
untreated group.
In the context of a single-blind RCT in 66 primiparous mothers
with sore nipples, it was shown that a dexpanthenol-containing
ointment had favorable effects on nipple pain when administered
four times daily for 2 weeks. Over the entire study period, mean
pain scores were lower with the ointment compared with control
(only warm water and soap). On day 3, the difference in
mean ± SEM pain scores reached statistical significance (1.27 ± 0.12
vs. 3.50 ± 0.14, p<.05) (65). Similarly, Shanazi et al. demonstrated
that topical dexpanthenol (5%) significantly reduced nipple pain
compared with baseline in breastfeeding mothers suffering from
traumatic nipples. In the group treated with dexpanthenol cream
for 2 weeks (N¼42), the mean ± SD pain score on day 3 was
1.33 ± 0.65 compared with 3.07 ± 1.02 at baseline (p<.001).
The improvement in nipple pain was associated with significantly
reduced nipple trauma scores (66).
Based on the results from a small observational study,
Staubach et al. suggested that daily application of an ointment
containing 5% dexpanthenol has the potential to alleviate symp-
toms associated with mammillary eczema (67).
Postoperative use
A double-blind intra-individual comparative study investigated the
wound healing properties of a 5% dexpanthenol-containing oint-
ment in 35 patients undergoing skin grafting due to burns (68).
Mesh graft donor sites were treated with either the dexpanthenol
ointment or vehicle for 14 d. An untreated area of healthy skin
served as additional control. The skin area treated with the dex-
panthenol ointment tended to return to a normal status sooner
than with vehicle alone. From the 7th day onwards, the skin was
more hydrated than the vehicle-treated area (p¼.05) as assessed
by clinical scores. In addition, the healing-associated pruritus
ceased earlier (p¼.06).
In a double-blind RCT, the potential of a dexpanthenol pastille
containing 100 mg dexpanthenol was evaluated to alleviate pain
and to improve wound healing following tonsillectomy (69). In
total, 120 pediatric patients were randomized to one of four
groups (N¼30 each): surgical tonsillectomy technique 1 plus dex-
panthenol pastille or placebo, or surgical tonsillectomy technique
2 plus dexpanthenol pastille or placebo. Study medication was
administered three times a day. Postoperative throat pain and
mucosal healing patterns were assessed at regular intervals over
2 weeks. Pain was assessed by visual analog scale and mucosal
healing by the size of the post-tonsillectomy slough. Regardless of
surgical technique, post-tonsillectomy throat pain was significantly
less in the dexpanthenol groups than in the placebo groups
(p<.05), and tonsillar wound healing was significantly better in
the dexpanthenol groups than in the placebo groups (p<.05).
Role of topical dexpanthenol in scar management
Favorable effects of topical dexpanthenol preparations were also
published in the daily care of scars resulting from skin transplant-
ation and burns (70,71). This triggered the development of specific
topical dexpanthenol formulations which also contain silicone.
Topical silicone treatments have been recommended as first line
therapy for prevention and treatment of red and hypertrophic
scars (72,73). Recently, an international expert panel agreed that
four groups would particularly benefit from the use of topical for-
mulations containing silicone: burns patients, patients showing
personal risks for hypertrophic or keloid scars (e.g. familial predis-
position), patients with hypertrophic scars and small keloids, and
patients likely to develop psychological distress in case hyper-
trophic/keloid scars occur. The formulation should be applied as
early as possible after re-epithelialization to immature scars.
Application on mature scars is possible but the effect may be
smaller (51).
Stettler and colleagues (74) conducted an 8 week pilot study
with a new anti-scar gel containing dexpanthenol and silicone in
34 healthy subjects with hypertrophic scars formed between
1 month and 1 year before study start. The gel was applied twice-
daily, after having first massaged the scar with the integrated
massage ball. After 8 weeks of treatment, the scars were signifi-
cantly less vascularized, less pigmented, softer, thinner, flattened
and more elastic. Skin hydration measured by corneometry
increased while TEWL decreased over the study period (for both
p<.0001) indicating a strengthened skin barrier of the scars.
In addition, pain and itching scores decreased significantly from
baseline assessments.
Approximately 70 years ago, the first topical dexpanthenol-
containing formulation was commercialized as an ointment. Since
then, various galenical forms have been developed which are
widely used in the field of dermatology and skin care, and
are associated with a high consumer satisfaction (75,76).
Dexpanthenol, the stable alcoholic analog of pantothenic acid,
shows good skin penetration and has moisturizing as well as skin
barrier enhancing properties. It prevents skin irritation, stimulates
skin regeneration and promotes wound healing. Topical dexpan-
thenol is therefore recommended for the treatment of superficial
wounds and for skin care of different skin conditions. Although
discovered decades ago, the exact mechanisms of action of dex-
panthenol have not been fully elucidated yet. Recently, novel
techniques enabled shedding new light on dexpanthenols mode
of action. With these techniques, many favorable results from
older studies can now be explained at the molecular level. This
applies to dexpanthenols favorable effects on both barrier func-
tion as well as wound healing. It appears that dexpanthenol
increases the molecular mobility of several lipid and protein seg-
ments of the stratum corneum thereby generating properties of a
hydrated skin. For wound healing, dexpanthenol modulates the
expression of certain genes. Hence, with the adoption of new
technologies, the story of dexpanthenol continues, thereby pro-
viding further insight how this long-known molecule actually
Disclosure statement
Ehrhardt Proksch has participated in expert panels organized by
Bayer Consumer Care AG. Raymond de Bony, Sonja Trapp and
ephanie Boudon are employees of Bayer Consumer Care AG,
Basel, Switzerland.
Writing assistance was provided by Edgar A. Mueller, 3 P
Consulting and has been funded by Bayer Consumer Care AG,
Basel, Switzerland.
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... Dexpanthenol is a stable alcohol analog of pantothenic acid (vitamin B5) with moisturizing and wound healing efficacy. Increasing evidence has revealed that topical dexpanthenol can be employed as an effective and well-tolerated agent for AD flare and maintenance [19]. Based on the published evidence and Korean dermatologists' expert consensus, we aimed to review the experiences, and recommendations on the management of AD, especially in terms of dexpanthenol use. ...
... The daily use of topical moisturizers may help manage AD or can decrease the frequency of flare recurrence. Topical moisturizers might have a role as skincare products during post-inflammatory maintenance stages due to their established skin hydration, skin barrier restoration potential, and wound healing effects [19,40,41]. Guidelines in Asia, the USA, and Europe recommend the daily application of moisturizers as first-line therapy [35,36,39]. ...
... Since dexpanthenol is highly hygroscopic, it can penetrate easily into the skin and serve as a moisturizer or humectant to maintain the normal skin barrier properties, smoothness and skin elasticity [19,40]. Several in vivo and in vitro studies have shown that dexpanthenol promotes fibroblast proliferation, accelerates re-epithelization, moisturizes the skin, restores the skin barrier, and heals wounds [40,48,49]. ...
Full-text available
Background: Atopic dermatitis (AD) is an inflammatory skin disease of multiple phenotypes and endotypes, and is highly prevalent in children. Many people of all ages, including active adolescents, pregnant women, and the elderly, suffer from AD, experiencing chronicity, flares, and unexpected relapse. Dexpanthenol has multiple pharmacological effects and has been employed to treat various skin disorders such as AD. We aimed to summarize the up-to-date evidence relating to dexpanthenol and to provide a consensus on how to use dexpanthenol effectively for the treatment of AD. Methods: The evidence to date on the application and efficacy of dexpanthenol in AD was reviewed. The literature search focused on dexpanthenol use and the improvement of skin barrier function, the prevention of acute flares, and its topical corticosteroid (TCS) sparing effects. Evidence and recommendations for special groups such as pregnant women, and the effects of dexpanthenol and emollient plus in maintenance therapy, were also summarized. Results: Dexpanthenol is effective and well-tolerated for the treatment of AD. Dexpanthenol improves skin barrier function, reduces acute and frequent flares, has a significant TCS sparing effect, and enhances wound healing for skin lesions. Conclusion: This review article provides helpful advice for clinicians and patients on the proper maintenance treatment of AD. Dexpanthenol, as an active ingredient in ointments or emollients, is suitable for the treatment and maintenance of AD. This paper will guide dermatologists and clinicians to consider dexpanthenol as a treatment option for mild to moderate AD.
... 11 The use of topical dexpanthenol has been well studied for these purposes-to date mainly outside of the tattoo research field-and its beneficial characteristics with regard to moisturizing capacity, prevention of skin irritation, and stimulation of skin regeneration have been demonstrated repeatedly. [14][15][16] The exact mechanism of how dexpanthenol restores and protects the skin barrier is not yet fully elucidated. After absorption, dexpanthenol is rapidly converted into pantothenic acid, a coenzyme A constituent indispensable for the physiological epithelial function. ...
... After absorption, dexpanthenol is rapidly converted into pantothenic acid, a coenzyme A constituent indispensable for the physiological epithelial function. [16][17][18] Dexpanthenol contributes to skin barrier recovery in dry skin conditions and helps to re-establish the normal epidermal differentiation. 19 It has a beneficial effect on proteins and lipid components in the stratum corneum by increasing their mobility and retaining high skin permeability, even in dehydrated conditions. ...
... [8][9][10] Dexpanthenol has gained tremendous attention in the field of dermatology over the last decades thanks to its moisturizing properties, healing potential, and anti-inflammatory characteristics. 15,16,23 As such, many formulations with dexpanthenol have been used for skin care as well as for the promotion of minor wound healing, including abrasions, cuts, and scratches, similar to wounds created by the tattooing process. 10,14,16,19,24 A recent publication confirmed the beneficial use of a dexpanthenol-containing ointment on freshly tattooed skin by demonstrating a virtually complete restoration of the disturbed skin barrier function induced by tattooing. ...
Full-text available
Background and aims: Tattoo prevalence has significantly increased over the last decades. Proper tattoo aftercare, such as cleansing, moisturizing, and protection against sunlight, is essential to prevent complications and to keep the beauty of the tattoo. The tolerability, performance, and cosmetic acceptability of two dexpanthenol-containing dermo-cosmetic products, a wash and a sun-care, were investigated on tattooed skin in two separate trials. Methods: Two single-center, exploratory, open-label cosmetic studies were conducted between August and November 2020 to evaluate the dexpanthenol-containing dermo-cosmetic products. In the first study, healthy adults applied the 2.5% dexpanthenol-containing wash right after their tattoo session daily for 14 consecutive days. In the second study, healthy adults applied the 2.5% dexpanthenol-containing sun-care sun protection factor 50+ cream on existing tattoos that were daily exposed to sunlight for 28 consecutive days. Clinical examination by a dermatologist and self-assessment through subject questionnaires were used to assess the tolerability, acceptance, ease of use, and cosmetic outcomes of both products. Additionally, transepidermal water loss and moisturization assessments were performed to evaluate skin hydration after use of the sun-care product. Results: Both study products were well tolerated, and no product related adverse events were reported during the studies. At least 90% of the study participants appreciated the performance of the dexpanthenol-containing wash and sun-care product, including moisturizing properties, relief of unpleasant sensations, and preservation of the cosmetic appearance of the tattoo. For the sun-care, it was shown that its application supported maintaining the skin barrier of tattooed skin, while keeping it hydrated. Conclusion: The 2.5% dexpanthenol-containing wash and sun-care products are well tolerated and appreciated by tattooed subjects. Hence, they represent valid options for tattoo aftercare in line with current recommendations and practice.
... For the purpose of improving the wound-healing activity of CUR, an approach to combine CUR with another compound was performed in this study. D-panthenol (DPA) has the function of increasing epidermal differential in the wound-healing process [4]. Additionally, it also acts as a moisturiser by improving skin hydration and increasing water content in the skin, as well as reducing transepidermal water loss [4,5]. ...
... D-panthenol (DPA) has the function of increasing epidermal differential in the wound-healing process [4]. Additionally, it also acts as a moisturiser by improving skin hydration and increasing water content in the skin, as well as reducing transepidermal water loss [4,5]. Upon topical application, DPA is absorbed and readily converted into pantothenic acid, which is important for the physiological function of epithelia [6]. ...
... CUR and DPA have been both reported to improve wound healing [2,28]. DPA acts as a moisturiser and skin barrier enhancer [4,5]. On the other hand, CUR takes part in several stages of the wound-healing process, accelerating it [1]. ...
Full-text available
Curcumin (CUR) and D-panthenol (DPA) have been widely investigated for wound-healing treatment. In order to analyse these two compounds from a dosage form, such as polymer-based wound dressings or creams, an analytical method that allows the quantification of both drugs simultaneously should be developed. Here, we report for the first time a validated high-performance liquid chromatographic (HPLC) method coupled with UV detection to quantify CUR and DPA based on the standards set by the International Council on Harmonization (ICH) guidelines. The separation of the analytes was performed using a C18 column that utilised a mobile phase consisting of 0.001% v/v phosphoric acid and methanol using a gradient method with a run time of 15 min. The method is linear for drug concentrations within the range of 0.39–12.5 μg mL−1 (R2 = 0.9999) for CUR and 0.39–25 μg mL−1 for DPA (R2 = 1). The validated method was found to be precise and accurate. Moreover, the CUR and DPA solution was found to be stable under specific storage conditions. We, therefore, suggest that the HPLC-UV method developed in this study may be very useful in screening formulations for CUR and DPA within a preclinical setting through in vitro release studies.
... Some of these skin-lightening ingredients are also used in Korea and China. Another provitamin B5 called dexpanthenol was also approved in 2018 for use as a quasi-drug to decrease melanin accumulation and prevent spots and freckles, because of its ability to convert metabolites into energy and promote the turnover of epidermal cells [80,81]. Figure 3 illustrates their mechanisms of action. ...
Full-text available
Japanese pharmaceutical cosmetics, often referred to as quasi-drugs, contain skin-lightening active ingredients formulated to prevent sun-induced pigment spots and freckles. Their mechanisms of action include suppressing melanin production in melanocytes and promoting epidermal growth to eliminate melanin more rapidly. For example, arbutin and rucinol are representative skin-lightening active ingredients that inhibit melanin production, and disodium adenosine monophosphate and dexpanthenol are skin-lightening active ingredients that inhibit melanin accumulation in the epidermis. In contrast, oral administration of vitamin C and tranexamic acid in pharmaceutical products can lighten freckles and melasma, and these products are more effective than quasi-drugs. On the basis of their clinical effectiveness, skin-lightening active ingredients can be divided into four categories according to their effectiveness and adverse effects. This review discusses academic research and development regarding skin-lightening ingredients in Japan.
... Dermal irritation is an undesirable adverse event that may affect the wound healing area, thus concurring to the inflammatory reaction at the site of contact [31]. ...
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Inappropriate wound healing (WH) management can cause significant comorbidities, especially in patients affected by chronic and metabolic diseases, such as diabetes. WH involves several different, partially overlapping processes, including hemostasis, inflammation, cell proliferation, and remodeling. Oxidative stress in WH contributes to WH impairment because of the overexpression of radical oxygen species (ROS) and nitrogen species (RNS). This study aimed to evaluate the in vitro antioxidative action of a gel containing a Propionibacterium extract (Emorsan® Gel) and assess its skin re-epithelialization properties in a mouse model of WH. The scavenging effects of the bacterial extract were assessed in vitro through the ABTS and DPPH assays and in L-929 murine fibroblasts. The effects of the Emorsan® Gel were studied in vivo in a murine model of WH. After WH induction, mice were treated daily with vehicle or Emorsan® Gel for 6 or 12 days. According to the in vitro tests, the Propionibacterium extract exerted an inhibitory effect on ROS and RNS, consequently leading to the reduction in malondialdehyde (MDA) and nitrite levels. Before proceeding with the in vivo study, the Emorsan® Gel was verified to be unabsorbed. Therefore, the observed effects could be ascribed to a local action. The results obtained in vivo showed that through local reduction of oxidative stress and inflammation (IL-1β, TNF-α), the Emorsan® Gel significantly reduced the infiltration of mast cells into the injured wound, leading to the amelioration of symptoms such as itch and skin irritation. Therefore, the Emorsan® Gel improved the speed and percentage of wound area closure by improving the tissue remodeling process, prompting vascular–endothelial growth factor (VEGF) and transforming growth factor (TGF)- β production and reducing the expression of adhesion molecules. Emorsan® Gel, by its ability to inhibit free radicals, could reduce local inflammation and oxidative stress, thus enhancing the speed of wound healing.
Objective: Wound healing is a serious problem that causes high morbidity. Different pharmacological agents have been studied to accelerate wound healing and to prevent necrosis and ischemia, and still continue to work. Topical dexpanthenol is widely used in both wound healing and various dermatological diseases. The aim of this study was to compare the effects of topical sildenafil citrate and topical dexpanthenol on wound healing in rats. Material and Methods: A total of 30 female Wistar Albino rats, weighing 200-250 gr, were used in the study. Rats were divided into 3 groups. A linear 2 cm full-thickness incision was made in the rat’s skin of the back. Steril saline irrigation was applied to all animals in the control group. Dexpanthenol was administered locally to the wounds of the rats in the second group, and 10% sildenafil citrate in the third group. Wound dimensions were measured on the 3rd, 5th, 7th, 10th, 14th, and 21st days. The full-thickness skin, including the incision, were removed for histopathological examination on the 21st days. Results: We believe that sildenafil citrate can be used as a topical cream for wound healing, as it leads to significant reduction in wound size. Conclusion: Although there was no statistically significant difference, we observed that the wound healing was better in the group where sildenafil citrate was applied locally on the wound.
Background: Gentle cleansing of the skin without further compromising its barrier function and moisture content, and being simultaneously devoid of adverse effects on the skin microbiome, are important features of body cleansers for atopic-prone skin sufferers. For this population, a new dexpanthenol-containing liquid cleanser (DCLC) was developed. Methods: Two prospective 4-week studies have been conducted. Study 1 investigated the effect of once-daily DCLC on stratum corneum (SC) hydration, transepidermal water loss (TEWL), skin pH, and skin microbiome (all on the volar forearm) in adult subjects with dry skin (N=44). Study 2 explored the cutaneous tolerability of DCLC and its effect on the microbiome biodiversity of the volar forearm skin in infants/children with atopic-prone skin (N=33, aged 6 months to 6 years). In the latter study, DCLC was applied 2-3 days/week in combination with an emollient applied at least twice-daily. Results: In Study 1, on day 29, the mean change in skin surface capacitance from baseline was significantly greater in the forearm test area treated with DCLC than in the contralateral test area (control) treated with water only (5.16 vs. 3.65 a.u.; p = 0.011), suggesting long-term SC hydration. DCLC use was not associated with changes in TEWL, skin pH, or microbiome biodiversity if compared to control. In Study 2, the 4-weeks' use of DCLC in combination with an emollient was well tolerated according to pediatrician skin assessment, and no flare-ups were recorded. The microbiome biodiversity did not shift during the study. Conclusion: These findings support the use of DCLC in subjects with atopic-prone skin.
Wound healing is a dynamic process initiated in response to injury. There are many factors that have detrimental effects on the wound healing process. Numerous studies have been conducted for improving wound healing processes. Dexpanthenol is widely used to accelerate wound healing. Sucralfate is used for the treatment of peptic ulcers. We aimed to compare the efficacy of topical Dexpanthenol and Sucralfate in an experimental wound model in rats via histopathological examinations and immune histochemical determinations, as well, to evaluate their effects on EGF levels. Three different groups were formed: the Control Group, the Dexpanthenol Group and the Sucralfate Group. Full‐thickness skin wounds were created on the back of each rat and isotonic saline was applied to the wounds of the rats in the control group, Bepanthol® cream was applied in Dexpanthenol Group and 10% Sucralfate cream was applied in Sucralfate Group, once a day. On the 7th, 14th and 21st days the wounds were measured and seven rats from each group were sacrificed and the wounds were excised for histopathological examination. Sucralfate increased wound healing rates by increasing neovascularization, fibroblast activation, reepithelialization and collagen density, as well as dexpanthenol. Our study revealed that the dexpanthenol and sucralfate groups were better than the control group in terms of their effects on wound healing, however there was no statistically significant difference among these two groups. Sucralfate improves EGF expression in skin wounds and has positive results on skin wound healing comparable to dexpanthenol.
A new dexpanthenol-containing hand cream (ND-HC) was developed for people with dry, sensitive, and/or environmentally stressed hands. To explore the performance and acceptability of ND-HC, we conducted a randomized, intraindividual comparison study in 40 healthy adult subjects with sensitive and very dry skin on the hands. Instrumental measurements determined the effects on stratum corneum (SC) hydration and transepidermal water loss (TEWL) after single and/or 4 weeks’ use of ND-HC. Single and continued at least four times daily applications of ND-HC to very dry skin of the hand for 4 weeks triggered significant increases in SC hydration. On day 29, the mean change in skin capacitance from baseline was significantly greater when ND-HC was applied to the test area compared with the untreated area on the contralateral hand (12.41 vs. 4.46 a.u.; p < 0.001). Upon use of ND-HC over 4 weeks, mean TEWL decreased significantly (bilateral difference: −1.8 vs. 1.0 g/m2/h; p = 0.003), indicating an improvement in SC barrier function. A reduction in dry hand symptoms was observed over the study course. ND-HC was well tolerated and achieved a high level of acceptance and satisfaction. Our findings suggest that ND-HC complies with the required features of a state-of-the-art hand cream.
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Mit jährlich circa 11 Millionen Fällen weltweit, stellen schwere Brandwunden bis heute einen großen Anteil an Verletzungen dar, die in Kliniken behandelt werden müssen. Während leichte Verbrennungen meist problemlos heilen, bedarf die Behandlung tieferer Verbrennungen medizinischer Intervention. Zellbasierte Therapeutika zeigen hier bereits große Erfolge, aufgrund der eingeschränkten Übertragbarkeit von Ergebnissen aus Tiermodellen ist jedoch sowohl die Testung neuer Produkte, als auch die Erforschung der Wundheilung bei Brandwunden noch immer schwierig. Aufgrund dessen wurden in dieser Arbeit zwei Ziele verfolgt: Die Etablierung von Methoden, um ein zellbasiertes Therapeutikum produzieren zu können und die Entwicklung eines Modells zur Untersuchung von Verbrennungswunden. Zunächst wurden hierfür die Kulturbedingungen und -protokolle zur Isolation und Expansion von Keratinozyten so angepasst, dass sie gängigen Regularien zur Produktion medizinischer Produkte entsprechen. Hier zeigten die Zellen auch in anschließenden Analysen, dass charakteristische Merkmale nicht verloren hatten. Darüber hinaus gelang es, die Zellen mithilfe verschiedener protektiver Substanzen erfolgreich einzufrieren und zu konservieren. Des Weiteren konnte ein Modell etabliert werden, das eine Verbrennung ersten Grades widerspiegelt. Über einen Zeitraum von zwei Wochen wurde seine Regeneration hinsichtlich verschiedener Aspekte, wie der Histomorphologie, dem Metabolismus und der Reepithelialisierungsrate, untersucht. Die Modelle zeigten hier viele Parallelen zur Wundheilung in vivo auf. Um die Eignung der Modelle zur Testung von Wirkstoffen zu ermitteln wurde außerdem eine Behandlung mit 5% Dexpanthenol getestet. Sie resultierte in einer verbesserten Histomorphologie und einer erhöhten Anzahl an proliferativen Zellen in den Modellen, beschleunigte jedoch die Reepithelialisierung nicht. Zusammengefasst konnten in dieser Arbeit zunächst Methoden etabliert werden, um ein medizinisches Produkt aus Keratinozyten herzustellen und zu charakterisieren. Außerdem wurde ein Modell entwickelt, anhand dessen die Wundheilung und Behandlung von Verbrennungen ersten Grades untersucht werden kann und welches als Basis zur Entwicklung von Modellen von tieferen Verbrennungen dienen kann.
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In the development of transdermal and topical products it is important to understand how formulation ingredients interact with the molecular components of the upper layer of the skin, the stratum corneum (SC), and thereby influence its macroscopic barrier properties. The aim here was to investigate the effect of two commonly used excipients, transcutol and dexpanthenol, on the molecular as well as the macroscopic properties of the skin membrane. Polarization transfer solid-state NMR methods were combined with steady-state flux and impedance spectroscopy measurements to investigate how these common excipients influence the molecular components of SC and its barrier function at strictly controlled hydration conditions in vitro with excised porcine skin. The NMR results provide completely new molecular insight into how transcutol and dexpanthenol affect specific molecular segments of both SC lipids and proteins. The presence of transcutol or dexpanthenol in the formulation at fixed water activity results in increased effective skin permeability of the model drug metronidazole. Finally, impedance spectroscopy data show clear changes of the effective skin capacitance after treatment with transcutol or dexpanthenol. Based on the complementary data, we are able to draw direct links between effects on the molecular properties and on the macroscopic barrier function of the skin barrier under treatment with formulations containing transcutol or dexpanthenol.
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Moisturizers affect the stratum corneum architecture and barrier homeostasis, i.e. topically applied ingredients are not as inert to the skin as one might expect. A number of different mechanisms behind the barrier-influencing effects of moisturizers have been suggested, such as simple deposition of lipid material outside the skin. Ingredients in the moisturizers may also change the lamellar organization and the packing of the lipid matrix and thereby skin permeability. Topically applied substances may also penetrate deeper into the skin and interfere with the production of barrier lipids and the maturation of corneocytes. Furthermore, moisturizing creams may influence the desquamatory proteases and alter the thickness of the stratum corneum.
Edited by a team of experienced and internationally renowned contributors, the updated Third Edition is the standard reference for cosmetic chemists and dermatologists seeking the latest innovations and technology for the formulation, design, testing, use, and production of cosmetic products for skin, hair, and nails. New features in the Third Edition: 39 new chapters reorganized by skin functions descriptions of ingredients, products, efficacy measurement, and mechanisms in each chapter revised chapters on skin types, skin perception, and targeted products new chapters on skin aging and cosmetics for the elderly strong emphasis on testing and current methods used for testing, and the evolution of instruments for skin and hair testing new ingredients, delivery systems, and testing methodologies information on skin physiology and cosmetic product design interactions affecting and attributed to cosmetic products cosmetic ingredients, vehicles, and finished products difference between pure cosmetics for enhancement and cosmetics used to treat high quality standards in cosmetic products that improve appearance, protect their targets, and maintain natural functions.
Irritant diaper dermatitis (IDD) is the most common dermatosis of the diaper area. Half of all infants experience some form of IDD in the first 12 months of life as a result of skin barrier damage due to contact with urine and faeces. Infant skin, although providing a competent barrier under basal conditions, is easily damaged when stressed by irritants, compared to older children’s skin. Furthermore, the skin of small infants is structurally and functionally immature compared to older children, with increased permeability to water, a higher pH and increased permeability to irritants and allergens. Improvements in the performance of disposable diapers and skin care have resulted in a substantial decrease in the prevalence and severity of IDD. However, despite these improvements, IDD remains a common problem. Treatment for IDD mainly comprises frequent diaper changes, gentle cleansing and the application of a barrier ointment, which coats and protects the stratum corneum. The IDD management paradigm has shifted from treatment towards prevention. However, traditional barrier ointment treatments have been often less than ideal for repeated application to the immature, fragile skin of infants. An IDD and atopic dermatitis expert panel recently reached a consensus on nine standards for the ideal IDD barrier formulation, including the need for it to be clinically tested in infants and to only include components with demonstrated safety and efficacy. This review provides an overview of the IDD literature, focusing on IDD pathophysiology and management, and gives the IDD expert panel’s consensus views on an ideal IDD topical preparation.
Silicone-based wound care products can be used for non-invasive, preventive and therapeutic scar management in high-risk patients. Excessive scarring may be distressing to the individual and may occur even after minor injuries. GPs play an essential role in taking appropriate measures to support these patients physically and psychologically, but approaches in primary care have varied considerably. To help with this, an interdisciplinary expert panel has developed easy-to-follow recommendations for the use of silicone-based products to support healthcare professionals in primary care who are dealing with patients at risk of scarring.
Purpose: Two studies were conducted with a new topical panthenol-containing emollient (NTP-CE) to investigate the skin-moisturizing effect in healthy adults and tolerability in healthy infants. Methods: In Study 1 (N = 44), a single skin application of NTP-CE was performed followed by a 4-week twice-daily application. Skin hydration and stratum corneum (SC) water content change (using Raman spectroscopy) were measured. In the 4-week Study 2 (N = 65, aged 3-25 months), NTP-CE tolerability was assessed using a 5-point scoring system; skin hydration was determined in a subset (N = 21). Results: In Study 1, mean AUC0 - 24 h for skin capacitance change from baseline was 302.03 i.u. with NTP-CE and -15.90 i.u. in control areas (p < .001). With NTP-CE (at 4 h), the water content within the upper SC part was reduced (-45.10 vs. -13.39 g/cm(2), p = .013) and the water gradient increased (0.51 vs. 0.11 g/cm(4), p = .036), indicating relocation of water into deeper layers. In Study 2, there was no statistically significant change from baseline in mean cutaneous tolerability scores. At days 7, 14, and 28, skin hydration had increased by 42%, 54%, and 49%, respectively (all p < .001). Conclusions: Single and prolonged NTP-CE usage is associated with sustained and deep skin moisturization. NTP-CE is well tolerated by healthy infants.
Purpose: Two randomized, intra-individual comparison studies were performed in healthy subjects to evaluate the skin moisturization and barrier restoration potential of a new topical panthenol-containing emollient (NTP-CE) (Study 1), and its effect on skin microflora (Study 2). Methods: In study 1 (N = 23), two skin areas, one challenged with 0.5% sodium dodecylsulfate solution (SDS) and one unchallenged, were treated with NTP-CE for three weeks. Transepidermal water loss (TEWL), skin hydration, and intercellular lipid lamellae (ICLL) organization were measured at regular intervals during the study. In study 2 (N = 20), quantitative bacterial cultures were obtained over six hours from a skin area undergoing wash stress with 10% SDS with subsequent single application of NTP-CE. Results: In study 1, mean AUC for TEWL reduction from baseline was more pronounced with NTP-CE compared with control (-168.36 vs. -123.38 g/m(2)/h, p = 0.023). NTP-CE use was also associated with statistically significant improvements in stratum corneum hydration and an increase in mean ICLL length from baseline (day 22: 120.61 vs. 35.85 nm/1000 nm(2), p < 0.001). In study 2, NTP-CE use had no negative impact on bacterial viability. Conclusions: NTP-CE use has favorable and lasting effects on barrier function and repair as well as skin hydration without negatively influencing bacterial viability.
Irritant napkin dermatitis (IND, often referred to as irritant diaper dermatitis) is an exceedingly common problem in the first 2 years of life. It is now established that a number of factors are considered important in the etiology of IND. The principal irritants are fecal enzymes, which damage infant skin and are further amplified by a number of factors, including skin maceration and friction, high pH, the presence of urine, and the duration of contact with feces. In recent years, the decreasing incidence and severity of IND reflects improvements in the design and performance of diapers, diaper skin care products, and overall awareness about maintaining infant skin health.
The skin is a vital organ, and through our skin we are in close contact with the entire environment. If we lose our skin we lose our life. The barrier function of the skin is mainly driven by the sophisticated epidermis in close relationship with the dermis. The epidermal epithelium is a mechanically, chemically, biologically and immunologically active barrier submitted to continuous turnover. The barrier function of the skin needs to be protected and restored. Its own physiology allows its recovery, but many times this is not sufficient. This chapter is focused on the standards to restore, treat and prevent barrier function disruption. These standards were developed from a scientific, academic and clinical point of view. There is a lack of standardized administrative recommendations. Still, there is a walk to do that will help to reduce the social and economic burden of diseases characterized by an abnormal skin barrier function.
The skin barrier, formed by the stratum corneum, envelops our bodies and provides an essential protective function. However, this barrier function differs between individuals due to biological variation. This variation arises as a result of inherited genetic variants, negative environmental or extrinsic factors, and age. A multitude of genetic changes determine a person's predisposition to a skin barrier defect and consequently their risk of developing a dry skin condition, such as atopic dermatitis. Extrinsic factors, including the weather and detrimental skin care practices, interact with these genetic changes to determine the severity of the defect and additively increase the risk of developing dry skin conditions. How these dry skin conditions present clinically, and how they persist and progress depends very much on a person's age. Understanding how the skin barrier varies between individuals, how it differs based on clinical presentation, and how it alters with age is important in developing optimum therapies to maintain healthy skin that provides the best protection.