Singlet molecular oxygen quenching by the antioxidant dimethylmethoxy chromanol in solution and in ex vivo porcine skin.

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：: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：BACKGROUND:Mechanical analysis of human hair may provide the dermatologists with several markers of considerable diagnostic importance. The aim of this study was to analyse the physical and mechanical properties of Tunisian women's hair. METHODS:Surface characteristics were determined with scanning electron microscopy...

journal_title：International journal of cosmetic science

authors： Sayahi E,Harizi T,Msahli S,Sakli F

更新日期：2016-10-01 00:00:00

abstract：:A multicentred study derived from the COLIPA in vitro UVA method was performed to assess the influence of test conditions on UVA protection factor (UVAPF) values in terms of amplitude, reproducibility between laboratories and correlation with in vivo UVA results. Eight products with a range of in vivo UVAPF from three...

journal_title：International journal of cosmetic science

authors： Moyal D,Alard V,Bertin C,Boyer F,Brown MW,Kolbe L,Matts P,Pissavini M

更新日期：2013-02-01 00:00:00

abstract：:Lower eyelid sags as well as wrinkles represent age-related morphological changes of the skin surface. However, a quantitative method to evaluate lower eyelid sagging has not been previously established. We designed a new quantitative evaluation method that uses non-invasive skin scanning, which is based on the differ...

journal_title：International journal of cosmetic science

authors： Fukuda Y,Fujimura T,Moriwaki S,Kitahara T

更新日期：2005-10-01 00:00:00

abstract：OBJECTIVE:The present investigation is based on the formulation of water-in-oil (w/o) cream preparations of ascorbic acid (AA) at pH 4-6 using different emollients and humectants. METHODS:The preparations were stored in the dark at 30°C for a period of 3 months and were studied for their chemical and physical stabilit...

journal_title：International journal of cosmetic science

authors： Sheraz MA,Khan MF,Ahmed S,Kazi SH,Khattak SR,Ahmad I

更新日期：2014-10-01 00:00:00

abstract：:Synopsis In this study a compact, hand-held, solid state erythema meter using light emitting diodes is described. This device has been constructed and used to compare with visual assessments of ultraviolet radiation in human subjects. A statistically significant correlation was obtained between erythema index and visu...

journal_title：International journal of cosmetic science

authors： Pearse AD,Edwards C,Hill S,Marks R

更新日期：1990-04-01 00:00:00

abstract：:Synopsis A technique was developed to evaluate the relative slip of ten test talcs and two control talcs (one with known good slip and one with known poor slip properties). The study was conducted under double-blind conditions with a naive panel of 19 subjects, who with minimal training ranked the 12 talcs. The rankin...

journal_title：International journal of cosmetic science

authors： Maclennan A,Shaw R,Jones L

更新日期：1992-04-01 00:00:00

abstract：OBJECTIVE:The aim of the study was to develop formulations to deliver physiological lipids into skin in an attempt to repair defective barrier function. METHODS:Physiological cholesterol and linoleic acid were incorporated into basic cream and non-ionic cream to prepare skin repair formulations. Homogeneity and storag...

journal_title：International journal of cosmetic science

authors： Zhang Z,Lukic M,Savic S,Lunter DJ

更新日期：2018-10-01 00:00:00

abstract：:Reconstructed human epidermis models (RHE) constitute an innovative alternative to study phototoxicity and photoprotection in the cosmetic industry. However, little information is currently available concerning the harmful effects of solar-simulated radiation (SSR) in these in vitro skin models. In this study, the pho...

journal_title：International journal of cosmetic science

authors： Bacqueville D,Mavon A

更新日期：2009-08-01 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：: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：: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：: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：: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：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：:Cutaneous ageing is the result of two distinct, biological processes which may occur concurrently: (i) the passage of time, termed intrinsic ageing and (ii) environmental influences, termed extrinsic ageing. Intrinsic ageing of the skin is a slow process which causes changes in tissue structure and impairs function in...

journal_title：International journal of cosmetic science

authors： Langton AK,Sherratt MJ,Griffiths CE,Watson RE

更新日期：2010-10-01 00:00:00

abstract：:The oxidative stress element of unhealthy scalp leads to compromised pre-emergent hair formation and poorly formed hair as it grows. Only cosmetic solutions can minimize the impact of unhealthy hair and to achieve healthy looking and feeling hair, the scalp health must be normalized first. The objectives of this resea...

journal_title：International journal of cosmetic science

authors： Schwartz JR,Henry JP,Kerr KM,Mizoguchi H,Li L

更新日期：2015-12-01 00:00:00

abstract：:This study was a pilot project, set up to assess ageing skin using a multi-disciplinary approach. The main aim of this study was to evaluate whether the use of more radical ('medical') treatments in the management of skin ageing would bring superior results and ultimately make people look younger, than the use of cosm...

journal_title：International journal of cosmetic science

authors： Tamburic S,Grant-Ross P,Labedzka M,Daniels G

更新日期：2012-10-01 00:00:00

abstract：:Synopsis Glutathione (GSH) plays an important role in cellular protection during ageing. The hair plucking technique is a non-invasive method for the direct biochemical study of keratinocytes. Hair was taken from the suboccipital area of 63 volunteers (men and women whose ages ranged from 13 to 103 years). The results...

journal_title：International journal of cosmetic science

authors： Pruche F,Kermici M,Prunieras M

更新日期：1991-06-01 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：:Synopsis This paper reports preliminary results of a study carried out on liquid crystal emulsions added to three different inorganic sunscreens: ultrafine zinc oxide, ultrafine titanium dioxide (inorganic-treated) and ultrafine titanium dioxide (organic-treated hydrophobically). The aim of the work was to investigate...

journal_title：International journal of cosmetic science

authors： Semenzato A,Dall'aglio C,Boscarini GM,Ongaro A,Bettero A,Sangalli ME,Brunetta F

更新日期：1994-12-01 00:00:00

abstract：:Lysyl oxidase-like (LOXL) is an extracellular enzyme that catalyses the cross-linking between microfibrils and tropoelastin (TE), thereby ensuring elastic fibre functionality. With ageing, LOXL expression decreases, thus participating in the loss of skin elasticity. In a previous study, we showed that a dill seed extr...

journal_title：International journal of cosmetic science

authors： Sohm B,Cenizo V,André V,Zahouani H,Pailler-Mattei C,Vogelgesang B

更新日期：2011-04-01 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：:In the present study, we tested a new device called skin phototype diagnosis (SPD) built for the purpose of objectively determining skin phototype. We compared its performance with that of phototype determinations according to Fitzpatrick method and on tristimulus colorimetry (Minolta CR-200). Our population consisted...

journal_title：International journal of cosmetic science

authors： Rubegni P,Cevenini G,Stanghellini E,Andreassi M,Sbano P,Fabiani P,Andreassi L

更新日期：2002-08-01 00:00:00

abstract：OBJECTIVE:A novel microwave-assisted dispersive liquid-liquid microextraction (MADLLME) technique according to the solidification of a floating organic droplet (SFO) and graphite furnace atomic absorption spectrometry (GFAAS) used for the extraction and determination of lead ions in lipsticks and hair dyes made in diff...

journal_title：International journal of cosmetic science

authors： Sharafi K,Fattahi N,Pirsaheb M,Yarmohamadi H,Fazlzadeh Davil M

更新日期：2015-10-01 00:00:00

abstract：OBJECTIVE:As skin ages, impaired extracellular matrix (ECM) protein synthesis and increased action of degradative enzymes manifest as atrophy, wrinkling and laxity. There is mounting evidence for the functional role of exogenous peptides across many areas, including in offsetting the effects of cutaneous ageing. Here, ...

journal_title：International journal of cosmetic science

authors： Kennedy K,Cal R,Casey R,Lopez C,Adelfio A,Molloy B,Wall AM,Holton TA,Khaldi N

更新日期：2020-08-01 00:00:00

abstract：:Synopsis The modifications of chemical reactivity induced in the human hair during its treatment with oxidative (H(2)O(2)) or reductive (HSO(3)Na) agents via a micellar or a microemulsion system have been investigated. For this purpose, phase diagrams of micellar solutions and microcmulsions with H(2)O(2) or NaSO(3)H ...

journal_title：International journal of cosmetic science

authors： Parra JL,García Domínguez JJ,Comelles F,Sänchez J,Solans C,Pelejero C,Balaguer F

更新日期：1985-06-01 00:00:00

abstract：:Variable skin pH values are being reported in literature, all in the acidic range but with a broad range from pH 4.0 to 7.0. In a multicentre study (N = 330), we have assessed the skin surface pH of the volar forearm before and after refraining from showering and cosmetic product application for 24 h. The average pH d...

journal_title：International journal of cosmetic science

authors： Lambers H,Piessens S,Bloem A,Pronk H,Finkel P

更新日期：2006-10-01 00:00:00