Hair biology: an update.

abstract：OBJECTIVE:To determine the homogeneity in the distribution of two cutaneous functions (hydration and elasticity) along the entire human face. MATERIAL AND METHODS:The half faces (right or left, randomly chosen) of two groups of Caucasian women were measured on 24 different small sites (elasticity) and 41 others (hydra...

journal_title：International journal of cosmetic science

authors： Pierre J,Francois G,Benize AM,Rubert V,Coutet J,Flament F

更新日期：2018-10-01 00:00:00

abstract：:The objective of the study was to compare measurements of skin hydration and of biomechanical properties performed on different zones of face and volar forearm. Two short-term (1 h) and two long-term (3 weeks) studies were conducted with a moisturizing and a firming product, respectively, on groups of female volunteer...

journal_title：International journal of cosmetic science

authors： Bazin R,Fanchon C

更新日期：2006-12-01 00:00:00

abstract：:The process leading to the loss of corneocytes form the skin surface is termed desquamation. In healthy skin it is an orderly and essentially invisible process whereby individual or small groups of corneocytes detach from neighbouring cells to be lost to the environment and replaced by younger cells from the deeper la...

journal_title：International journal of cosmetic science

authors： Harding CR,Watkinson A,Rawlings AV,Scott IR

更新日期：2000-02-01 00:00:00

abstract：:Synopsis The influence of the following hydrophilic polymers on the stability of emulsions has been studied: sodium carboxymethyl cellulose, hydroxyethyl cellulose, agar-agar, water dispersible clay, and a neutralized polyethylene acid. The oil phases used were paraffin oil, olive oil and a synthetic C(8)-C(12) trigly...

journal_title：International journal of cosmetic science

authors： Saunal H,Alvarado D,Et JP,Delonca H

更新日期：1984-08-01 00:00:00

abstract：OBJECTIVES:Facial clinical signs and their integration are the basis of perception than others could have from ourselves, noticeably the age they imagine we are. Facial modifications in motion and their objective measurements before and after application of skin regimen are essential to go further in evaluation capacit...

journal_title：International journal of cosmetic science

authors： Flament F,Bazin R,Piot B

更新日期：2015-06-01 00:00:00

abstract：OBJECTIVE:Although the olfactory receptor OR2AT4 was described as involved in epidermal renewal, there is no data about a cosmetic active ingredient activating this receptor. The aim of this research work was thus to identify a natural molecule binding to this receptor in order to stimulate keratinocyte migration. MET...

journal_title：International journal of cosmetic science

authors： Verzeaux L,Richer S,Viguier J,Gofflo S,Boudier D,Aymard E,Closs B

更新日期：2019-04-01 00:00:00

abstract：:Antioxidants play a vital role in protecting the skin from environmental distress. As the skin is constantly exposed to harmful UV radiation, endogenous antioxidants present in the superficial layers of the skin neutralize reactive oxygen species. Over time, antioxidants become depleted and loss their protective effec...

journal_title：International journal of cosmetic science

authors： Abla MJ,Banga AK

更新日期：2013-02-01 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：:Nowadays, flavonoids are present in many cosmetic formulations, mainly in the form of plant extracts. The main reason of still increasing popularity of these substances is their beneficial biochemical activity. The main factor affecting activity of flavonoids in the skin is their skin penetration ability. The studies ...

journal_title：International journal of cosmetic science

authors： Arct J,Oborska A,Mojski M,Binkowska A,Swidzikowska B

更新日期：2002-12-01 00:00:00

abstract：OBJECTIVE:This study focused on the formulation of lamellar lyotropic liquid crystal (LLC) loaded with mulberry stem extract (MSE). METHODS:The LLC formulation tested used two oils: n-dodecane or tridecyl salicylate, a co-solvent (propylene glycol) and a single (PEG-7 glyceryl cocoate) or mixed surfactant system. The ...

journal_title：International journal of cosmetic science

authors： Yhirayha C,Soontaranon S,Wittaya-Areekul S,Pitaksuteepong T

更新日期：2014-06-01 00:00:00

abstract：:A novel ex vivo technique has been used to assess the sand/rub resistance of topical sunscreens. The technique is based on transmission spectrometry using excised human epidermis as the substrate. The sun protection factors (SPFs) of 10 sunscreen products were measured prior to, and after agitation with sand. It was f...

journal_title：International journal of cosmetic science

authors： Stokes RP,Diffey BL

更新日期：2000-10-01 00:00:00

abstract：OBJECTIVE:Facial attractiveness has been reported to be influenced by visual features such as facial shape and the colour and texture of the skin. However, no empirical studies have examined the effects of facial skin radiance on facial attractiveness. The present study investigated whether types of skin reflection (i....

journal_title：International journal of cosmetic science

authors： Ikeda H,Saheki Y,Sakano Y,Wada A,Ando H,Tagai K

更新日期：2020-11-20 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：:Fading of artificial hair colour has been investigated by simulating actual usage conditions through exposure to artificial radiation in a weatherometer, with 0.35 mW (m(2)nm)(-1) at 340 nm, for 16-48 h, and by periodical washing. Hair colour was produced by using commercial two-part, permanent hair dyes with light au...

journal_title：International journal of cosmetic science

authors： Locke B,Jachowicz J

更新日期：2006-06-01 00:00:00

abstract：:Summary The activity of thioglycolic acid, incorporated in a microemulsion, towards cystine residues present in keratin proteins has been investigated. In an attempt to relate the structural state of the microemulsions to cystine reactivity, an appropriate model system showing a large microemulsion domain with diverse...

journal_title：International journal of cosmetic science

authors： Solans C,Parra JL,Erra P,Azemar N,Clausse M,Touraud D

更新日期：1987-10-01 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：BACKGROUND:Xerosis is an abnormally dry and flaky skin condition that is associated with a change in the packing behaviour of the lipid matrix in the stratum corneum (SC), the outermost layer of the skin. This skin condition can lead to an increase in transepidermal water loss (TEWL). As ultralong-chain fatty acids hav...

journal_title：International journal of cosmetic science

authors： Pérez B,Hansen BS,Bulsara PA,Rawlings AV,Clarke MJ,Guo Z

更新日期：2017-10-01 00:00:00

abstract：:Many studies have presented stress-strain relationship of human hair, but most of them have been based on an engineering stress-strain curve, which is not a true representation of stress-strain behaviour. In this study, a more accurate 'true' stress-strain curve of human hair was determined by applying optical techniq...

journal_title：International journal of cosmetic science

authors： Lee J,Kwon HJ

更新日期：2013-06-01 00:00:00

abstract：:Synopsis The purpose of this work was to compare the evolution of three multiple emulsions (ME) by different controls. The series of water-in-oil-in-water (W/O/W) multiple emulsions were elaborated and controlled by both the usual analyses which permitted the classification of the multiple emulsions with respect to th...

journal_title：International journal of cosmetic science

authors： Terrisse I,Seiller M,Rabaron A,Grossiord JL,Magnet A,Hen-Ferrenbach C

更新日期：1993-04-01 00:00:00

abstract：OBJECTIVE:Axillary wetness represents an unwanted effect of the physiologically vital sweating mechanism, especially when it becomes excessive. Cosmetic products reducing sweat secretion rely on aluminium salts as the active ingredient acting by physically blocking the sweat gland. Driven by the interest to better unde...

journal_title：International journal of cosmetic science

authors： Welzel J,Grüdl S,Welss T,Claas M,Sättler A,Förster T,Banowski B

更新日期：2020-12-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to establish a comparative analysis of the chemical and enzymatic stability of α- and β-arbutins as potential sources of the substance of concern hydroquinone (HQ). The study was performed using an array of techniques including HPLC-PDA, nuclear magnetic resonance (NMR) and optical r...

journal_title：International journal of cosmetic science

authors： Avonto C,Wang YH,Avula B,Wang M,Rua D,Khan IA

更新日期：2016-04-01 00:00:00

abstract：:The comparison of the results of microscopic, conductimetric and rheologic analyses carried out on the same triple W/O/W emulsion, immediately following its manufacture and 10 years later, indicates the remarkable stability of such system. This stability illustrates the great potential of this formula in the protectio...

journal_title：International journal of cosmetic science

authors： de Luca M,Grossiord JL,Seiller M

更新日期：2000-04-01 00:00:00

abstract：:Synopsis The mechanism of colour change during the pigment dispersion process and during powder application to the skin surface was studied by examining the colour extension properties of Yellow. Red, and Black iron oxides in white powder bases. A new measure for the evaluation of the degree of colour extension was de...

journal_title：International journal of cosmetic science

authors： Tsugita A,Fukishima T,Yoneya T,Inishijima Y

更新日期：1985-02-01 00:00:00

abstract：:Acne vulgaris suppresses an individual's self-confidence by causing distress with regard to physical appearance, which affects a significant number of individuals during puberty and is delineated by adolescence. Several treatments have been introduced to decrease the aesthetic and psychological problems caused by acne...

journal_title：International journal of cosmetic science

authors： Kanlayavattanakul M,Lourith N

更新日期：2011-08-01 00:00:00

abstract：OBJECTIVE:Development of an international harmonized in vitro method for sun protection factor (SPF) assessment is currently in progress because of the lack of both reproducibility and accuracy in the current methodology. The aim of this article was to focus on the principle and mathematical aspects (Part I) of a new a...

journal_title：International journal of cosmetic science

authors： Miksa S,Lutz D,Guy C

更新日期：2015-12-01 00:00:00

abstract：OBJECTIVE:Equol has been shown to improve skin health and regeneration, due to its antioxidative, phytoestrogenic and epigenetic characteristics. The effects of a topical intervention on skin structure, telomere length and epigenetic markers in skin cells were analysed. METHODS:Sixty-four participants were divided in ...

journal_title：International journal of cosmetic science

authors： Magnet U,Urbanek C,Gaisberger D,Tomeva E,Dum E,Pointner A,Haslberger AG

更新日期：2017-10-01 00:00:00

abstract：OBJECTIVES:Liposomes are commonly used in cosmetic formulations to increase the bioavailability of active ingredients. We have previously shown that polysaccharide coating of liposomes improves their resistance to surfactants and electrolytes. In the current study, we have assessed the impact of coating on the skin pen...

journal_title：International journal of cosmetic science

authors： Belhaj N,Arab-Tehrany E,Loing E,Bézivin C

更新日期：2017-08-01 00:00:00

abstract：:Sun exposure during leisure activity evokes fatigue. We employed the Advanced Trail Making Test (ATMT), a recently developed objective method of evaluating brain function performance used to measure mental fatigue, for objective determination of fatigue development caused by solar exposure to the human body. First, a ...

journal_title：International journal of cosmetic science

authors： Horikoshi T,Matsue K,Takahashi T,Ishii H,Yamada K,Hayashi S,Yabune M,Murakami M,Kajimoto O

更新日期：2004-02-01 00:00:00

abstract：:Cutaneous irritation is a stereotyped response of the skin to any physical or chemical insult. Its main manifestations encompass inflammatory erythema and an alteration of the cutaneous microrelief showing increased roughness, dehydration and erratic desquamation. Several instrumental methods can indirectly assess the...

journal_title：International journal of cosmetic science

authors： Uhoda E,Piérard GE

更新日期：2003-04-01 00:00:00

abstract：:Molecular chaperone, heat shock proteins (HSPs), stabilizes intracellular processes of cells under stress. Little is known about the role of molecular chaperone proteins in the skin pathology, rejuvenation and wound healing, or whether their expression is altered by environmental and physiological stress to the skin o...

journal_title：International journal of cosmetic science

authors： Babizhayev MA,Nikolayev GM,Nikolayeva JG,Yegorov YE

更新日期：2011-02-01 00:00:00