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Christine Dierickx

Christine Dierickx
Skinperium · dermatology

About

68
Publications
37,219
Reads
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3,108
Citations
Citations since 2016
6 Research Items
659 Citations
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2016201720182019202020212022020406080100
2016201720182019202020212022020406080100
2016201720182019202020212022020406080100

Publications

Publications (68)
Presentation
Full-text available
Highlighting nuances of blue light phototherapy: �mechanisms, safety & benefits considerations
Article
Full-text available
The efficacy of blue light therapy in dermatology relies on numerous clinical studies. The safety remains to be a topic of controversy, where potentially deleterious effects were derived from in vitro rather than in vivo experiments. The objectives of this work were 1) to highlight the nuances behind ‘colors’ of blue light, light propagation in tis...
Article
Objectives This review has the following objectives: Firstly, it provides an explanation of the evolution of laser/intense pulsed light (IPL) hair reduction modalities from high fluence professional devices to low fluence home‐use appliances. Secondly, it summarises published literature reviews on home‐use devices (HUDs) as evidence of their growin...
Article
Background Laser and intense pulsed light (IPL) are standard symptomatic treatments for superficial telangiectasias, but postoperative erythema, oedema, and pain may prolong downtime. Objectives To investigate whether topical brimonidine reduces IPL‐induced inflammation in patients with moderate to severe facial telangiectasias. Methods A randomi...
Article
Background and objectives: Pulsed dye laser (PDL) represents the gold-standard treatment for port wine stains (PWS). However, approximately 20% of patients are poor responders and yield unsatisfactory end-results. The Alexandrite (Alex) laser may be a therapeutic alternative for selected PWS subgroups, but optimal laser parameters are not known. T...
Article
Background and Objectives Non-ablative fractional laser-treatment is evolving for burn scars. The objective of this study was to evaluate clinical and histological long-term outcome of 1,540 nm fractional Erbium: Glass laser, targeting superficial, and deep components of mature burn scars.Materials & Methods Side-by-side scar-areas were randomized...
Article
Full-text available
Leg telangiectasias and reticular veins are a common complaint affecting more than 80 % of the population to some extent. To date, the gold standard remains sclerotherapy for most patients. However, there may be some specific situations, where sclerotherapy is contraindicated such as needle phobia, allergy to certain sclerosing agents, and the pres...
Article
Background: Comprehensive assessment of safety, tolerance, and patient satisfaction has not been established from noninvasive body contouring techniques, such as low-level laser therapy, ultrasound, radiofrequency, and infrared light, for reduction of subcutaneous fat. Objective: This multicenter study investigated the clinical outcomes of nonin...
Article
In the past 5 years since their US introduction, there has been a rapid proliferation of light-based hair removal devices intended for home-use. In the last 2 years in Europe, sales already run into many tens of thousands of units with well-known multi-national companies entering the market. These guidelines provide a definition of light-based home...
Article
Hair removal with professional light-based devices is established as an effective, mainstream treatment. The field of optical home-based hair removal is evolving and movement from control by physicians into hands of consumers warrants understanding efficacy and human safety. To systematically review and evaluate the efficacy and human safety of cur...
Article
Full-text available
Hirsutism is a common disorder affecting between 5 and 15% of the population. One of the most devastating consequences of hirsutism is the presence of unwanted facial hair. Treatment of hirsutism involves a two-pronged approach: treating the underlying cause and reduction of visible hair. Laser hair removal is one of the most effective options for...
Article
Background and objectives: Fractional ablation offers the potential benefits of full-surface ablative skin resurfacing while minimizing adverse effects. The purpose of this study was to evaluate the safety, damage profile, and efficacy of erbium fractional lasers. Materials and methods: Histology from animal and human skin as well as clinical ev...
Article
To evaluate the efficacy and safety of a thermal mode Erbium:YAG laser several in-vivo morphological as well as clinical changes were monitored in a multi-center investigation. An Erbium:YAG laser was used at a thermal mode with sub-ablative fluences of 2.1 and 3.1 J/cm(2) with parallel air cooling to treat either periorbital, perioral rhytides or...
Article
Redundant facial, neck, or body laxity is a major feature of aging. Just a few years ago, the choices for treatment of skin laxity were only surgery. As technology continues to evolve, procedures that once required major surgical intervention are gradually being replaced by minimally invasive techniques. Recently, monopolar radiofrequency (MRF) and...
Article
Recently, a number of new devices have been developed specifically to improve the visible signs of aging in a noninvasive way. These include visible or near-infrared lasers, intense pulsed light sources (IPL), light-emitting diode (LED), and radiofrequency devices. This paper reviews the use of visible light sources and examines the attributes of s...
Article
In spite of the various oral and topical treatments available for the treatment of acne, many patients fail to respond adequately to treatment or develop side effects. Therefore, there is a growing demand for a convenient, low risk and efficacious therapy. Recently, various forms of light therapy have been reported to improve acne. This article add...
Article
Intense pulsed light (IPL) systems are increasingly used for treatment of photo damaged skin. In the present study, we investigated the clinical efficacy and safety of two different wavelength bands generated by the same IPL device. An IPL device was equipped with either a 555-950 nm filter (VL), or a 530-750 nm filter (PR). Fair, good or excellent...
Article
The presence of unwanted hair continues to plague many individuals for whom traditional methods of hair removal remain unsatisfactory. Laser and flashlamp technology now offers the potential for rapid, safe, and effective treatment of unwanted hair. An ever-increasing number of published studies have confirmed the long-term efficacy of laser and fl...
Article
Laser and flash-lamp technology now offers the potential for rapid, safe, and effective treatment of unwanted hair. An ever-increasing number of published studies have confirmed the long-term efficacy of laser and flash-lamp treatment. The benefits of this technology have largely been limited to individuals with dark hair and relatively fair skin....
Article
In dermatology, photodynamic therapy (PDT) has been used primarily for treatment of malignant skin tumors using various long-wavelength oxygen-dependent photosensitizers such as porphyrins, the porphyrin precursor 5-aminolevulinic acid (ALA), benzoporphyrin derivative (BPD), mono-L-aspartyl chlorin e6 (NPe6), tin ethyl etiopurpurin (SnET2) and chlo...
Article
Unwanted pigmented hair is a common problem for many patients. Traditional methods of hair removal have included shaving, bleaching, plucking, waxing, use of chemical depilatories, and electrolysis. These techniques have been limited by their pain, inconvenience, and poor long-term efficacy. Only electrolysis has offered the potential for permanent...
Article
Laser hair removal is a relatively new procedure. Our purpose was to study the efficacy and safety of a high-power, pulsed diode laser array for removing unwanted hair. A total of 38 subjects were treated with a prototype of the 800-nm diode laser system. Fluences ranging from 10 to 40 J/cm(2) (mean, 33.4 J/cm(2)) were used and 1 to 4 treatments (m...
Article
Laser pulses which selectively damage pigmented hair follicles are a useful treatment for hypertrichosis. Clinically, regrowing hairs are often thinner and lighter after treatment. In this study, hair shaft diameter and optical transmission (700 nm) were measured before and after ruby (694 nm) and diode (800 nm) laser irradiation. Hair was collecte...
Article
Although several studies on laser-assisted hair removal have been published, data on long-term follow-up are few. The present study investigated the long-term efficacy and safety of normal-mode ruby laser pulses on hair removal. The normal-mode ruby laser (Epilaser; 694 nm, 3 msec) was used to treat a wide range of body sites in 51 volunteers. The...
Article
Background and Objective Although several studies on laser-assisted hair removal have been published, data on long-term follow-up are few. The present study investigated the long-term efficacy and safety of normal-mode ruby laser pulses on hair removal.Study Design/Materials and Methods The normal-mode ruby laser (Epilaser; 694 nm, 3 msec) was used...
Article
During laser-assisted hair removal, sebaceous glands closely associated with hair follicles might also be affected. We investigated the effect of the long-pulsed ruby laser on sebaceous glands. Sebum excretion rates (SERs) of 16 subjects were measured quantitatively by means of sebum-absorbent tape and analyzed by means of image analysis techniques...
Article
Nevus sebaceus of Jadassohn usually appears at birth or in early childhood, but it may be flat and inconspicuous.¹ The characteristic appearance may not develop until puberty, when it becomes thickened and more elevated.² For this reason, many patients are first examined at this stage. Gradually, lesions may extend further or become more nodular. O...
Article
© 1999 Optical Society of America
Article
A systematic and logical approach for laser hair removal demands an understanding of its biologic and physical bases. This article presents an overview of hair anatomy and physiology followed by a mathematically nonrigorous review of tissue optics and thermal responses to laser irradiation. The reader is provided with a step by step approach to las...
Article
The tremendous demand for removal of unwanted hair has led to the development of a wide range of noninvasive, user-friendly laser and light source systems; however, despite considerable advances in this field, these devices still have the potential to cause injury when used improperly. It is important to follow precise treatment guidelines in order...
Article
Skin precooling can be used to reduce epidermal thermal damage in laser procedures (such as hair removal) where the target structures are located up to several millimetres below the skin surface. We have developed and experimentally verified a computational model that describes contact precooling of a multilayered skin structure prior to laser irra...
Article
To assess the permanence of hair removal by normal-mode ruby laser treatment. Hair removal was measured for 2 years after a single treatment with normal-mode ruby laser pulses (694 nm, 270 microseconds, 6-mm beam diameter). Six test areas on the thighs or backs of 13 volunteers were exposed to normal-mode ruby laser pulses at fluences of 30 to 60 J...
Article
It has been shown that normal mode ruby laser pulses (694 nm) are effective in selectively destroying brown or black pigmented hair follicles in adult Caucasians. This study investigated how the various stages of the hair follicle growth cycle influence follicle destruction by ruby laser treatment, using a model of predictable synchronous hair grow...
Article
Although many temporary treatments exist for hirsutism and hypertrichosis, a practical and permanent hair removal treatment is needed. Our purpose was to study the use of normal-mode ruby laser pulses (694 nm, 270 microseconds, 6 mm beam diameter) for hair follicle destruction by selective photothermolysis. Histologically assessed damage in ex vivo...
Article
Although thermal relaxation times of cutaneous port-wine stain microvessels have been calculated and used to formulate laser selective photothermolysis, they have never been measured. A scheme to do so was devised by measuring the skin response to pairs of 585-nm dye laser pulses (250-360 microseconds each) as a function of the time interval betwee...
Article
Fifteen patients with erythematous/hypertrophic scars and 11 patients with postinflammatory hyperpigmentation were treated with a flashlamp pumped pulsed-dye laser at 585 nm or a flashlamp pulsed-dye laser at 510 nm. An average of 1.8 treatments resulted in an average improvement of 77 percent. Forty-seven percent of the patients had 100 percent im...
Article
The application of facial cosmetic tattoos (eyeliner, lipliner, and rouge) has become popular over the past five years and has resulted in an increasing number of patients requesting removal of these permanent cosmetics. Poor positioning or misapplication of the tattoo pigment has been the most common reason for requesting removal. Because of the a...
Article
Lasers have been used for hair removal since 1995, but few have had properties that are also effective in treating leg veins. This dose-response study at Wellman Laboratories on 25 patients with 200 treatment sites has determined parameters for an 800 nm high-powered diode laser. It has also resulted in recommendations for patient selection and a t...

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