Tomasz Wasilewski

Kazimierz Pułaski University of Technology and Humanities in Radom · Department of Industrial Chemistry

In this study, special types of washing agents, intended for fruit washing were developed. Fruit washing agents with different contents of non-ionic surfactants have been prepared. The developed products were characterized in terms of performance with regard to their ability to remove pesticide residues from fruit surfaces. Special attention was pa...

Objective: The wine industry generates large quantities of by-products presenting a remarkably valuable composition in phytochemicals. The process that can significantly increase the content of bioactive compounds is fermentation by yeast and other microorganisms. The current study presents, for the first time, an evaluation of the potential of gr...

Specyficzne zachowanie niejonowych związków powierzchniowo czynnych w pobliżu tzw. punktu zmętnienia zostało wykorzystane w nowatorskim podejściu do projektowania i wytwarzania skutecznych i bezpiecznych detergentów do mycia owoców i warzyw, ze szczególnym uwzględnieniem zdolności do usuwania pozostałości pestycydów. Zastosowanie niejonowych związk...

The implementation of sustainable development goals in the cosmetics industry is focused primarily on the phase of product design and the formulation of fully functional cosmetics based on raw materials of natural origin. The aim of the present study was to evaluate the feasibility of using a surfactin-rich digestate extract—a raw material of biote...

Model smart detergents for fruit washing were designed. Their physicochemical and functional properties were determined, with particular emphasis on the efficiency of removing pesticide residues. The specific behavior of nonionic surfactants near the so‐called cloud point was used in the design of the new smart detergent. The high performance of de...

Przeprowadzono badania nad wykorzystaniem ekstraktu z pofermentu bogatego w lewan do wytwarzania bezpiecznych i funkcjonalnych żeli do mycia twarzy. Opracowano receptury i wytworzono modelowe żele do mycia twarzy na bazie surowców pochodzenia naturalnego. Przygotowane prototypy kosmetyków zawierały różne stężenia ekstraktu (5, 10, 20 lub 40%). Prot...

Detergents containing abrasive talc particles for washing fruits and vegetables were designed and investigated. Detergent prototypes were developed with the following composition: 40% talc particles, 1.5% surfactants, 5% ethyl alcohol, 1% sodium citrate, 1% sodium carbonate, 1.5% glycerin, and 0.5% preservative. Xanthan gum (0.5% concentration) was...

The influence of filler particle size on selected physicochemical and functional properties of polymer composites was analyzed. The following test was carried out for the system: the bisphenol A glycerolate (1 glycerol/phenol) di-methacrylate (BPA.DM) was subjected to UV-polymerization in bulk with N-vinyl-2-pyrrolidone (NVP) as a polymer matrix an...

The study focused on the evaluation of the possibility of using a levan-rich digestate extract in the production of safe and functional body wash cosmetics. Model shower gels were designed and formulated on the basis of raw materials of natural origin. Prepared prototypes contained various extract concentrations (16.7; 33; 50%). A gel without extra...

Modern agriculture uses pesticides to improve the quality and quantity of crops. However, pesticide residues can remain on agricultural products, posing very serious risks to human health and life. It is recommended to wash fruits and vegetables before consumption. To assess the removal efficacy of pesticide residue, a sensitive and reliable method...

This study sought to evaluate the possibility of using grape pomace, a waste material from wine production, for the preparation of cosmetic components. Following the existing clear research trend related to improving the safety of cleansing cosmetics, an attempt was made to determine the possibility of preparing model shower gels based on grape pom...

Flowers are a natural source of bioactive compounds that not only have antioxidant, anti-inflammatory, and anti-aging properties, but can also be used as natural dyes. For this reason, nowadays plants are widely used to produce natural cosmetics and foods. In these studies, the properties of the water extracts of Papaver rhoeas L., Punica granatum...

Przeanalizowano wpływ rodzaju substancji wypełniającej na właściwości użytkowe bezwodnych kosmetyków do mycia twarzy. Opracowano i wytworzono sześć prototypów proszków, w których jako wypełniacze zastosowano komponenty spożywcze: skrobię (ziemniaczaną, kukurydzianą, kuzu), tapiokę, mikrokrystaliczną celulozę oraz wodorowęglan sodu. Oceniono właściw...

The aim of the study was to evaluate the effects of hydrophilic microcrystalline cellulose, hydrophobic talc and mixtures of cellulose and talc when used as fillers in powdered bath cosmetics. A number of model formulations were developed that contained fillers in different compositions. Prototypical formulations were prepared and evaluated for the...

The article shows that the type and concentration of inorganic salt can be translated into the structure of the bulk phase and the performance properties of ecological all-purpose cleaners (APC). A base APC formulation was developed. Thereafter, two types of salt (sodium chloride and magnesium chloride) were added at various concentrations to obtai...

Nowadays, natural dyes are expected by the cosmetic and food industries. In contrast to synthetic dyes, colorants derived from natural sources are more environmentally friendly and safer for human health. In this work, plant extracts from Gomphrena globasa L., Clitoria ternatea L., Carthamus tinctorius L., Punica granatum L. and Papaver rhoeas L. a...

The sensory properties of cosmetic emulsions are part of the basic properties of products such as face creams and body balms. They are extremely important parameters in the product evaluation by consumers. Cosmetics manufacturers are increasingly introducing ingredients in the form of solid particles (talc, bentonite, clay) into formulations to imp...

Kombucha, also known as the Manchurian mushroom, is a symbiotic culture of bacteria and yeast, the so-called SCOBY. This paper presents a comprehensive evaluation of the ferments obtained from green coffee beans after different fermentation times with kombucha. Results for the ferments were compared to the green coffee extract that was not fermente...

In response to the growing demand for high-quality cosmetics, it is observed an increasing interest in products containing plant extracts and we are obliged to look for products will be a rich reservoir of many active substances. The study analyzed the effect of the concentration of Jerusalem artichoke tubers (Helianthus tuberosus L.) extract on pr...

The work attempts to obtain a multifunctional plant extract derived from Moringa tree leaves. Obtained results indicate a strong antioxidant potential of the tested extracts. It was shown that Moringa oleifera leaf extract is a rich source of flavonoid and phenolic compounds. Furthermore, it shows a strong antioxidant activity by scavenging free ra...

This article investigates the effect of hydrophobic supercritical CO2 raspberry seed extracts on the physicochemical and functional properties of a modern, transparent fabric softener. The addition of a hydrophobic extract to a transparent softener formulation increased the turbidity and dynamic viscosity of the product compared to the reference fo...

This article investigates the influence of marine collagen of various molecular weights (Collagen Amino Acids—150 Da, Hydrolyzed Collagen—12,000 Da and Soluble Collagen—300,000 Da) on the functional properties of bath liquids for children based on anionic surfactants—sodium laureth sulfate. In addition to the aspects related to safety‐in‐use, which...

The effect of ethoxylated rapeseed oil fatty acid methyl esters (ROFAME) on the viscosity, functional properties and skin-care properties of hand dishwashing liquids was analyzed. It was found that, over the test range, both the degree of ethoxylation and concentration in the formulation were essential for the properties of the evaluated products....

Body wash cosmetics are among the most common groups of cosmetics used by consumers. Faced with strong competition in the marketplace, cosmetic manufacturers search for innovative solutions both in terms of product composition and form. An example of an innovative technology which can be used in the production of body wash cosmetics is the process...

The paper presents the results of studies related to the production of liquid detergents in the form of coacervate, formulated with a hydrophobic chamomile extract obtained in supercritical carbon dioxide conditions. The study involved the development of formulations and technology for the manufacture of washing agents containing extract at a conce...

Surfactants, which are the basic ingredients in washing cosmetics, can cause skin irritation. In the case of washing cosmetics intended for children, it is necessary to select the composition in such a way as to ensure maximum reduction or even elimination of the irritant effect of the final product. The paper attempts to improve the safety of bath...

The study was an attempt to develop fabric softener formulations with a markedly higher content of active substances compared to traditional products. The assumption was to design the formulations in such a manner as to eliminate problems associated with the application of cationic surfactants at high concentrations, and to obtain products exhibiti...

As a result of growing awareness, consumers are increasingly interested in products that are safe on the skin and environmentally-friendly. This is one of the most important reasons for the very rapid development of the natural cosmetics segment which has been observed for several years now. Among the most commonly used anionic surfactants of natur...

Jerusalem artichoke ( Helianthus tuberosus ) and chicory ( Cichorium intybus ) are valuable pharmaceutical raw materials on account of their high content of inulin, a natural prebiotic. Inulin-rich plants are also increasingly employed in the formulation of cosmetic products. The paper presents the biological properties of aqueous and aqueous-ethan...

Przedstawiono wyniki badań nad opracowaniem receptur oraz technologii otrzymywania transparentnych płynów do płukania tkanin. W rozważaniach uwzględniono istotne dla tego typu produktów właściwości fizykochemiczne oraz użytkowe, takie jak lepkość, mętność, stopień miękkości oraz zdolność ponownego zwilżania tkanin po procesie płukania. Nowoczesne p...

This paper attempts to demonstrate empirically the possibility of using a hydrophobic extract of hop cone obtained under the conditions of supercritical carbon dioxide to produce all-purpose cleaner with antimicrobial activity and low irritant potential. A series of prototypes of products varied by the extract concentration was developed. The formu...

Extracts obtained from leaves of Moringa tree (Moringa oleifera) are a rich source of many bioactive compounds: flavonoids, phenolic acids or carotenoids. It also contains such components as, vitamins (A, C, niacin, pantothenic acid), alkaloids, tannins or saponins. Extracts and plant substances derived from the leaves of Moringa oleifera L. have a...

In this work the study attempted to determine the correlation between the types of sequestrants used and the quality of soap-based hand washing products. A total of four formulations were prepared, containing various additives sequestrant. A reference formulation used in the tests was a product prototype without the addition of any sequestrants. It...

Przedstawiono wyniki badań nowego mikroemulsyjnego wielofunkcyjnego ekopreparatu do mycia twardych powierzchni. Ramowy skład preparatu obejmował mydło potasowe, mieszaninę niejonowych surfaktantów oraz ekstrakt z jeżyny. W celu opracowania odpowiedniej receptury sporządzono trójskładnikowy diagram Gibbsa, na którym zobrazowano obszary występowania...

Four floor cleaners were prepd. by dissoln. of concd. surface active agents in distilled, or hard water (concn. 2.5–10.0% by mass) and studied for stability, viscosity, turbidity, particle size, foam-forming properties, the ability to emulsifying fat deposits and soly. in water. The increase in the concn. of active substances resulted in a structur...

Four floor cleaners were prepd. by dissoln. of concd. surface active agents in distilled, or hard water (concn. 2.5–10.0% by mass) and studied for stability, viscosity, turbidity, particle size, foam-forming properties, the ability to emulsifying fat deposits and soly. in water. The increase in the concn. of active substances resulted in a structur...

The study addressed the effect of the structure of silicone polyethers on selected functional properties of cotton fabric rinsed in conditioners containing the additives under study. Fabric softener formulations containing two combstructured compounds (PEG/PPG-14/0 Dimethicone and PEG/PPG-20/20 Dimethicone) and one block-structured compound (Bis-PE...

Dogwood fruits are a valuable source of active ingredients, such as phenolic compounds, vitamin C, iridoids, flavon-oids and anthocyanins. Plant extracts and substances derived from latin Cornus mas L. exhibit not only strong antibacterial but also antioxidant and tonicity properties, effectively preventing the development of inflammation in living...

Body wash cosmetics are among the most popular and numer- ous groups of cosmetic products. In chemical terms, they are so- lutions of surface active agents with the addition of multiple substances such as preservatives, moisturizing agents, fra- grances or viscosity modifiers, the aim of which is to improve specific product properties. The present...

Dogwood berries represent a valuable source of a variety of active ingredients. A group that deserves special attention comprises iridoids – compounds with potent antioxidant, antiinflammatory and antibacterial properties. The present study is an attempt to obtain an innovative plant material from dogwood berries. To this end, water and water/ethan...

The aim of the study presented in the paper was to demonstrate that using a combination of glycerin and surfactants in the form of sodium salts in the production of laundry liquid detergents might be an alternative to the currently commonly produced products based on surfactants in the form of potassium or triethanol ammonium salts. Tests were perf...

The study explored the possibilities of using selected sequestrants for the production of hand dishwashing liquids in the form of coacervate. For the purpose of obtaining the starting formulation, the process of coacervation was conducted with a variety of sequestrants including sodium and potassium citrate, sodium and potassium pyrophosphate, and...

A significant problem related to the use of surfactants in body wash cosmetics is their propensity to trigger skin irritations. Only scarce literature exists on the effect of plant extracts on the skin irritation potential. The present study is an attempt to determine the effect of hydrophilic dogwood extracts on the irritant potential of body wash...

We investigated the effect of hydrophobic extract concentration on the safety of using hand dishwashing liquids (HDL). A series of formulations was prepared, differing in the concentration of the hydrophobic chamomile extract obtained in supercritical CO2 conditions (from 0 to 0.7 %). We found that an increase in the concentration of the extract le...

The study discusses the technology of preparation, and antibacterial, physicochemical and functional properties of advanced eco-friendly products for maintaining hygiene in toilets. The active substance with antibacterial properties which was added to the formulations for the purpose of the study was Humulus lupulus (hop cone) extract obtained unde...

Dokonano oceny właściwości fizykochemicznych i użytkowych maseczek kosmetycznych z dodatkiem ekstraktu: z liści mięty, szałwii, kwiatu nagietka oraz szyszek chmielu. Wykazano, że wprowadzenie do maseczek ekstraktów z: szałwii i nagietka prowadzi do wzrostu, natomiast ekstraktu z mięty i chmielu spadku η względem próbki bazowej. Dodatek wszystkich e...

Analizowano wpływ stężenia ekstraktu z liści mięty (Mentha Piperita CO2 Extract) otrzymanego w warunkach nadkrytycznego ditlenku węgla na właściwości maseczek pielęgnacyjnych. Opracowano receptury i wytworzono prototypy preparatów w formie emulsji o/w. Stężenie ekstraktu z mięty w poszczególnych maseczkach zmieniało się od 0 do 1% wag. Stwierdzono...

Extract from the blackberry seeds produced under conditions of supercrit. CO2 was added (up to 8% by mass) to formulation of cosmetic masks as an emulsion at room temp. to replace the commonly used grape seed oil. The addn. resulted in increasing the formulation viscosity, color intensity and skin hydration degree as well as in decreasing the yield...

Supercrit. exts. of strawberry, blackcurrant and chokeberry seeds were added to hand dishwashing liqs. studied then for dynamic viscosity at varying NaCl concn. and sheare rate. The addn. resulted in decreasing the viscosity of the liqs.

Rapeseed oil fatty acid Me esters were added (up to 16% by mass) to toilet cleaners studied then for dynamic viscosity, foaming properties, hardness, adhesion, yield stress and dissoln. time. The addn. resulted in increasing the viscosity, yield stress of the cleaners, dissoln. time and adhesion.

The study assessed the effect of hydrophobic plant extracts on the basic parameters relating to the safety of use of hand dishwashing liquids. A series of liquids differing in extract type (extract concentration: 0.5%wt) was prepared. The plant extracts selected for testing included an extract of blackberry seeds (Rubus Fruticosus CO2 Extract), an...

The study investigated the effect of hydrophobic, blackcurrant seed extract (Ribes nigrum L.) obtained under supercritical CO2 conditions on the anti-irritant properties of hand dishwashing liquids. A range of liquids differing in extract concentration (0–0.5 wt%) were prepared. The product prototypes were subjected to tests focusing on their anti-...

The study investigated the possibilities of using different inorganic salts for the production of hand dishwashing liquids in the form of coacervate. A starting formulation was developed and subjected to the process of coacervation using different types of salts including KCl, NH4Cl, MgCl2, and CaCl2. The coacervate phase, which constituted the han...

The article presents results of the study on the influence of the type of plant extract obtained under the conditions of supercritical carbon dioxide on the selected properties of fabric softeners: viscosity, softening, rewettability and the degree of whiteness of fabric after the washing process. The following extracts were examined: the seeds of...

Aq. soln. of NaCl, Na-4 versenate, a dye and a preservative were mixed with cyclopentasiloxane or/and isohexadecane to 2-phase fluids studied for their dispersion stability and ability to distribution on the skin, absorption in epiderma, formation of sticky and oily films on the skin and smoothing the skin as well as for efficiency of removing the...

One of the most challenging problems related to the use of surfactants in body wash cosmetics is their potential to cause skin irritations. Surfactants can bind with proteins, remove lipids from the epidermal surface, contribute to the disorganization of liquid crystal structures in the intercellular lipids, and interact with living skin cells. The...

Lyotropic liq. crystal, coacervate and emulsion concs. were prepd. by compounding corn. surfactants (Na lauryl ether sulfate, ethylene oxide-lauryl alc. adduct, isopropyl palmitate, stawbery seed oil), preservatives and H2O and studied for rheol. properties, soly. in water and stability. Only the coacervate meet all user requirements. The concn. re...

Opracowano i wytworzono receptury maseczek kosmetycznych w formie emulsji, różniących się stosunkiem masowym gumy karagenowej do ksantanowej (A10:0, B- 7,5:2,5, C- 5,0 : 5,0, D- 2,5:7,5, E- 0:10). Istotnym było także wprowadzenie do receptur maseczek ekstraktu z nasion jeżyny (Rubus Seed CO2 Extract) otrzymanego w warunkach nadkrytycznego ditlenku...

This monograph is one of eight books entitled “Commodity Science in Research and Practice”. It consists of 20 chapters written by the Authors from various commodity centres in the world, associated at the International Society of Commodity Science and Technology (IGWT) headquartered in Vienna. The common topics joining all monograph chapters are no...

Hand dishwashing liquids (HDLs) are one of the most popular groups of household chemicals. They can be manufactured with the use of the coacervation process. The process can be performed with sodium chloride as a triggering agent. The study below analyzes the effect of the type of nonionic surfactant (adducts of ethylene oxide to lauryl alcohol) on...

Possibility for elimination of viscosity modifiers, preservatives and emulsifiers from cosmetics by using smart packagings was discussed.

Water can be used as an ecological lubricant base if it is possible to select additives which can beneficially modify its tribological and corrosion properties. Additionally, those additives should not be harmful to human health and the natural environment. These conditions limit or even eliminate the possibility for the application of the additive...

Surface active compounds may act as effective additives modifying water lubricity. Their action mechanism consists in the formation of a lubricating film enriched with an active compound. The reasons for the choice of polyvinylpyrrolidones as additives were their physiological inertness and a lack of harmful environmental effects. The tests were ca...

Słowa kluczowe: substancje smarowe, związki powierzchniowo czynne, kationowe i niejonowe pochodne silikonów, właściwości tribologiczne Streszczenie Oleje silikonowe są stosowane jako substancje smarowe względnie dodatki modyfikujące właściwości smarowe baz olejowych. Związki te wykazują jed-nak brak rozpuszczalności w wodzie. Dlatego jako dodatki p...

The role of silicone derivatives as additives modifying the lubricity of water K e y w o r d s Lubricants, surfactants, cationic and nonionic silicones, physicochemical and tribological properties. S ł o w a k l u c z o w e Substancje smarowe, związki powierzchniowo czynne, kationowe i niejonowe pochodne silikonów, właściwości fizykochemiczne i tri...

Seven surface-active aq. formulations contg. Mg alkylbenzene sulfonate (3%) or Mg lauryl ether sulfate (up to 9%), optionally Na lauryl ether sulfate (up to 9%) and Na alkylbenzene sulfonate (up to 6%), EtOH (3%), adducts (7:1 by mole) of ethylene oxide to lauryl ale. or (75:1 by mole) to lanoline (1% of each), coconut oil acids diethanolamide (1%)...

The objective of this study was to formulate new ecological lubricating substances, primarily water-based, and to verify their tribological and physicochemical properties. Initially, simple binary solutions were investigated. Then, various additives were added depending on application targets. Two alkyl sulfates were selected as additives modifying...

Hand dishwashing liquids can be produced in a coacervate form. Such a delivery system can be readily mixed with water and, in the initial dilution stage, may exhibit a high viscosity. This makes it feasible to formulate concentrated products which can be diluted by consumers. The surfactant concentration in the starting formulation is found to affe...

Purpose – Modern cutting fluids often are real aqueous solutions of chemical compounds. That form of cutting fluid is simpler in preparation, as compared to emulsions and microemulsions. The water base is a good cooling medium of high‐ecological value. The purpose of this paper is to discover water‐soluble additives that could improve the lubricity...

Twenty-nine scouring milks were prepd. by blending glycerol, lauryl ale. polyoxyethylene ether, Na citrate, acrylics and aq. soin, of NaOH (pH 8) with some org. solvents (CH(CH2OH)2, i-PrOH, (BuOCH 2CH2́)2O, rapeseed oil fat acids Me ester) (1-11% by mass) and addn. of cenosphere abrasive (grain size 10-500 mm, content 10%) and then studied for app...

Preparations and production technologies of cleansing milks based on cenosphere obtained from flying ashes Application of cenosphere obtained from flying ashes as effective abrasive for cleansing milks was analyzed in the paper. Preparations and production technology of ten milks with various contents of cenosphere (from 2% to 20%) were designed. T...

Here, the results of studies on the use of water-alkyl polyglucosides (APGs) compositions as lubricants carried out with steel ball-polyamide disc apparatus are presented. The range of values of CMC in aqueous solutions of two different mixtures of APG was determined on the basis of physicochemical properties. The results obtained showed that aqueo...

Paraffin mixtures of sorbitan monolaurate (SML)–ethoxylated sorbitan monolaurate (ESML) were applied as lubricant additives. The esters tested can be obtained from natural resources. They are environment-friendly. Tests under steady load conditions were performed to assess their tribological properties. The friction coefficient and wear scar diamet...

This research was inspired by increasing interest in ecological lubricants. Aqueous solutions of alkyl polyglucosides (APGs) were chosen as potential lubricant compositions. Commercially provided products were tested for surface tension, wetting angle, light diffusion and viscosity. Additionally, atomic force microscopy, polarized light microscopy...