Use of microemulsions as vehicles for nucleophilic reagents in cosmetic formulations.

abstract：:The assessment of many aspects of the structure and biological dynamics of the stratum corneum can be conducted using calibrated stripping with adhesive-coated discs (SACD). Squamometry entails staining SACD samples with a toluidine blue-basic fuschsin ethanol-based solution and reading the colorimetric variable Chrom...

journal_title：International journal of cosmetic science

authors： Piérard-Franchimont C,Henry F,Piérard GE

更新日期：2000-12-01 00:00:00

abstract：:Synopsis Wound healing involves the activity of epithelial cells and fibroblasts. This process is particularly accompanied by an increase in the proliferative capacity of the fibroblasts and by the biosynthesis of constitutive proteins of connective tissue. To study the action of wound healing drugs on the growth of f...

journal_title：International journal of cosmetic science

authors： Adolphe M,Pointet Y,Ronot X,Wepierre J

更新日期：1984-02-01 00:00:00

abstract：OBJECTIVE:To demonstrate the in vitro activities of panthenol, palmitoylethanolamide (PEA), and niacinamide (NAM) and determine the biophysical properties, clinical safety, tolerability together with efficacy of two developmental anti-redness (AR) formulations containing these ingredients, in alleviating facial redness...

journal_title：International journal of cosmetic science

authors： Nisbet SJ,Targett D,Rawlings AV,Qian K,Wang X,Lin CB,Thompson MA,Bulsara PA,Moore DJ

更新日期：2019-12-01 00:00:00

abstract：:Synopsis A modified procedure for the determination of total N-nitroso compounds in personal care products was evaluated in collaborative studies organized through the UK Cosmetic Toiletry and Perfumery Association (CTPA). The method offers a true 'totals'determination in that a solution of the whole sample is analyse...

journal_title：International journal of cosmetic science

authors： Challis BC,Colling J,Cromie DD,Guthrie WG,Pollock JR,Taylor P,Telling GM,Wallace L

更新日期：1995-12-01 00:00:00

abstract：:There are a variety of biological mechanisms that contribute to specific characteristics of ageing skin; for example, the loss of skin structure proteins, increased susceptibility to UV-induced pigmentation and/or loss of hydration. Each of these biological processes is influenced by specific groups of genes. In this ...

journal_title：International journal of cosmetic science

authors： Gopaul R,Knaggs HE,Lephart J

更新日期：2011-10-01 00:00:00

abstract：:The phase diagrams were determined of lactic and isohexanoic hydroxy acids as well as salicylic acid with water, a non-ionic surfactant and a paraffinic oil to outline the influence of the hydroxy acids on the structure in a model for a skin lotion. The results showed the influence of the acid to be similar to that of...

journal_title：International journal of cosmetic science

authors： Al-Bawab A,Friberg SE

更新日期：2004-06-01 00:00:00

abstract：OBJECTIVE:Arbutin is an effective agent for the treatment of melanin disorders. Arbutin may be converted to hydroquinone under conditions of high temperature, ultraviolet (UV) radiation and dilute acid. The aim of the current study was to develop an analytical method to determine the levels of arbutin and hydroquinone ...

journal_title：International journal of cosmetic science

authors： Jeon JS,Kim BH,Lee SH,Kwon HJ,Bae HJ,Kim SK,Park JA,Shim JH,Abd El-Aty AM,Shin HC

更新日期：2015-12-01 00:00:00

abstract：OBJECTIVE:Sensory perceptions and performance are important to the success of a lipstick formulation, but in vivo evaluation can be expensive and time-consuming. The goal of this work was to develop and use laboratory test methods to predict the sensory and performance properties of lipstick. METHODS:Twelve model lips...

journal_title：International journal of cosmetic science

authors： Rafferty DW,Dupin L,Zellia J,Giovannitti-Jensen A

更新日期：2018-10-01 00:00:00

abstract：:Synopsis In the last few years a lot of attention has been paid to the development of the in vitro models which would substitute for animals in cutaneous irritancy studies. These models explore either organ or explant cultures using freshly excised skin or serial cultures of isolated skin cells (epidermal keratinocyte...

journal_title：International journal of cosmetic science

authors： Ponec M

更新日期：1992-12-01 00:00:00

abstract：SYNOPSIS:Despite the extensive use of topical coatings in cosmetics, their effect on the mechanical properties of human skin and the perception of skin tightness in the form of drying stresses is not well understood. We describe the application of a recently developed substrate curvature technique to characterize stres...

journal_title：International journal of cosmetic science

authors： Levi K,Dauskardt RH

更新日期：2010-08-01 00:00:00

abstract：:Summary The powder made with leaflets of a senna, Cassia obovata Coll., is a cosmetic mis-called 'neutral henna' The traditional use of C. obovata is as a laxative. The principal active components of this laxative drug are sennosides A and B. In the Middle Ages the blend of henna (Lawsonia inermis) and senna was calle...

journal_title：International journal of cosmetic science

authors： Forestier JP

更新日期：1981-10-01 00:00:00

abstract：OBJECTIVES:Quantification of stratum corneum (SC) protein levels from tape strippings is frequently used to investigate skin conditions, to correct for amounts of SC protein removed in SC biomarker studies and to determine distribution of topically applied ingredients. In recent years, a rapid and convenient method for...

journal_title：International journal of cosmetic science

authors： Raj N,Voegeli R,Rawlings AV,Gibbons S,Munday MR,Summers B,Lane ME

更新日期：2016-06-01 00:00:00

abstract：OBJECTIVE:To study the permeation of liquiritigenin (LQG) and liquiritin (LQ) as licorice flavonoids into the skin, we prepared ceramide liposome-in-cellulose hydrogel complex system. METHODS:Liposome-in-hydrogel complex systems were developed by incorporating ceramide liposomes into cellulose hydrogels by the swellin...

journal_title：International journal of cosmetic science

authors： Kim SJ,Kwon SS,Jeon SH,Yu ER,Park SN

更新日期：2014-12-01 00:00:00

abstract：BACKGROUND:In order to comply with the European legislation concerning the risk assessment of skin sensitizers, considerable progress has been made in developing alternative methods, such as human cell line activation test (h-CLAT). H-CLAT is based on cytometric measurement of fluorescence emitted by anti-CD54 and anti...

journal_title：International journal of cosmetic science

authors： Buzzella A,Mazzini G,Vicini R,Angelinetta C,Pastoris O

更新日期：2019-06-01 00:00:00

abstract：:The addition of water to lipsticks in the form of a water-in-oil emulsion is an attractive opportunity for cosmetics manufacturers to deliver hydrophilic molecules to the consumers, as well as improving the moisturizing properties. In this work, the effect of the emulsifier type and water content on the structural pro...

journal_title：International journal of cosmetic science

authors： Le Révérend BJ,Taylor MS,Norton IT

更新日期：2011-06-01 00:00:00

abstract：OBJECTIVE:In this study, the influence of three cosmetically relevant, priorly characterized vehicles on skin hydration, sebum content and transepidermal water loss was investigated. The chosen vehicles included a liposomal pre-formulation, a multiple W/O/W emulsion and a microemulsion gel. The in vivo effects of these...

journal_title：International journal of cosmetic science

authors： Mahrhauser D,Nagelreiter C,Baierl A,Skipiol J,Valenta C

更新日期：2015-04-01 00:00:00

abstract：:Synopsis We have examined the relationship between human axillary skin microflora and underarm odour (UAO), in particular, the ability of cutaneous bacteria to transform steroids. A study was made of bacterial population density and odour intensity of the axillae of 34 normal male subjects. There was a statistically s...

journal_title：International journal of cosmetic science

authors： Rennie PJ,Gower DB,Holland KT,Mallet AI,Watkins WJ

更新日期：1990-10-01 00:00:00

abstract：:The aim of this study was to determine how worthwhile it would be to combine a newly developed topical slimming product with customized dietary habits not based on calorie restriction, so as to improve the cellulite appearance of the skin. At the beginning of the study, a nutritionist recorded the dietary habits of ea...

journal_title：International journal of cosmetic science

authors： Escudier B,Fanchon C,Labrousse E,Pellae M

更新日期：2011-08-01 00:00:00

abstract：:Synopsis An objectivised sensorial method for evaluating the effects of shampoos on the appearance and manageability of the hair is described. Two different shampoos for greasy hair were applied twice weekly for a period of 4 weeks to the right and left sides (split-head tests) of six subjects having greasy hair, the ...

journal_title：International journal of cosmetic science

authors： Scandel J,Reinstein JA,Brudney N

更新日期：1979-04-01 00:00:00

abstract：OBJECTIVE:Quinoa (Chenopodium quinoa Willd.) is a seed crop rich in bioactive compounds including phytoecdysones (especially 20-hydroxyecdysone, 20HE), polyphenols, proteins and essential fatty acids. We previously reported a method to leach and concentrate quinoa bioactives into a complex phytochemical mixture termed ...

journal_title：International journal of cosmetic science

authors： Graf BL,Cheng DM,Esposito D,Shertel T,Poulev A,Plundrich N,Itenberg D,Dayan N,Lila MA,Raskin I

更新日期：2015-04-01 00:00:00

abstract：OBJECTIVE:Hyaluronan (HA) plays a role in keratinocyte proliferation and differentiation. In addition, HA has been shown to have different biological activities depending on its molecular weight. It has been reported that HA-mediated CD44 activation regulates keratinocyte differentiation. Therefore, the aim of this stu...

journal_title：International journal of cosmetic science

authors： Kage M,Tokudome Y,Matsunaga Y,Hariya T,Hashimoto F

更新日期：2014-02-01 00:00:00

abstract：:Summary The authors studied the combination of Kathon(R) CG and Germall(R) II (0.1%-0.1%) in hydrophilic creams. Their objective was to find an alternative to the use of parabens. Kathon(R) CG was chosen due to its antimicrobial effectiveness and its broad spectrum of activity. It must be indicated, however, that it h...

journal_title：International journal of cosmetic science

authors： Favet J,Griffiths W,Holzner G,Amacker PA,Schorer E

更新日期：1987-04-01 00:00:00

abstract：:Synopsis Oil/water (o/w) microemulsions containing propranolol were studied. Isopropylmyristate was used as the oil, Tween 60 as a surfactant, butanol as a co-surfactant and a buffer of pH 6.5 for the continuous phase. The lipophilicity of propranolol was enhanced by formation of lipophilic ion-pairs to obtain a dispe...

journal_title：International journal of cosmetic science

authors： Gasco MR,Carlotti ME,Trotta M

更新日期：1988-12-01 00:00:00

abstract：:The perceived skin feel during and after application of skin care products is highly important to the consumer and therefore to cosmetic formulators. Powder particles are commonly incorporated in cosmetic formulations to improve their sensory properties. Although a large variety of cosmetic powders is available, it is...

journal_title：International journal of cosmetic science

authors： Timm K,Myant C,Nuguid H,Spikes HA,Grunze M

更新日期：2012-10-01 00:00:00

abstract：INTRODUCTION:We report on the preparation and efficacy of 10-hydroxystearic acid (HSA) that improves facial age spots and conspicuous pores. METHODS:The hydration of oleic acid into HSA was catalyzed by the oleate hydratase from Escherichia coli. Following treatment with HSA, collagen type I and type III was assessed ...

journal_title：International journal of cosmetic science

authors： Schütz R,Rawlings AV,Wandeler E,Jackson E,Trevisan S,Monneuse JM,Bendik I,Massironi M,Imfeld D

更新日期：2019-06-01 00:00:00

abstract：:Sweat and skin surface pH are critical parameters in determining the performance of antiperspirants. The mechanism of action, the so-called 'plug theory' first proposed by Reller and Luedders, involves the expression of eccrine sweat onto the surface of the skin into which the solid antiperspirant salts, typically an ...

journal_title：International journal of cosmetic science

authors： Burry J,Coulson HF,Roberts G

更新日期：2001-08-01 00:00:00

abstract：OBJECTIVE:The aim of the study was to determine the optimal conditions, that is the content of hemp oil and time of homogenization to obtain stable dispersion systems. METHODS:For this purpose, six emulsions were prepared, their stability was examined empirically and the most correctly formulated emulsion composition ...

journal_title：International journal of cosmetic science

authors： Kowalska M,Ziomek M,Żbikowska A

更新日期：2015-08-01 00:00:00

abstract：:Surface structure and surface mechanical properties of human hair have been characterized by atomic force microscopy in the imaging mode and by force vs. distance, F-d, analysis. The effects of treatment by commercial conditioner/shampoo or by aqueous exposure have been investigated. The cuticular structure has been i...

journal_title：International journal of cosmetic science

authors： Blach J,Loughlin W,Watson G,Myhra S

更新日期：2001-06-01 00:00:00

abstract：:Synopsis The dichlorophenyl-imidazoldioxolan elubiol is used for skin and hair care in subjects with oily skin or dandruff. A study was conducted in 14 men to evaluate by non-invasive methods the effect of long-term use of elubiol on the sebum output at the skin surface. Measures were made using the Sebumeter SM810 an...

journal_title：International journal of cosmetic science

authors： Pierard GE,Cauwenbergh G

更新日期：1996-10-01 00:00:00

abstract：:Synopsis The manufacturing of toiletries is a complex procedure and many process routes are possible for a given formulation. In the past, considerable attention has been given to the design of manufacturing equipment but there has been relatively little appreciation of the influence of physicochemical interactions du...

journal_title：International journal of cosmetic science

authors： Gladden GP,Finnerty PB,Alexander DJ

更新日期：1980-04-01 00:00:00