'Guapo' (Myrosma cannifolia) starch: a natural product with potential use in cosmetic formulations.

abstract：:Synopsis This report utilizes a new procedure based on epidermal stripping to analyse unlabelled skin fatty acids. This technique was applied to the study of human dry skin treated with blackcurrant seed oil, an essential fatty acid rich lipid also containing gamma linolenic acid. In human dry skin the usual fatty aci...

journal_title：International journal of cosmetic science

authors： Brod J,Traitler H,Studer A,Lacharriere O

更新日期：1988-08-01 00:00:00

abstract：:Synopsis The absorption of ultraviolet light by a film of sunscreen product on the surface of the skin is considered from a theoretical standpoint. It is apparent that Beer-Lambert's Law would predict protection factors in excess of the actual factors by many orders of magnitude. The possible reasons for this are disc...

journal_title：International journal of cosmetic science

authors： Stockdale M

更新日期：1985-10-01 00:00:00

abstract：:Water homeostasis of the epidermis is important for the appearance and physical properties of the skin, as well as for water balance in the body. It depends on several factors, e.g. barrier quality, uptake of water into the epidermis, concentration of water-retaining humectants, and external humidity. Aquaporins (AQPs...

journal_title：International journal of cosmetic science

authors： Brandner JM

更新日期：2007-12-01 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：:Essential oils and certain perfumery raw materials exhibit a wide range of beneficial biological activities. Besides the antimicrobial and antioxidant activity, the anti-inflammatory and anti-irritant effects are most often cited. One specific mode of action is the reduction of the formation of the key mediator prosta...

journal_title：International journal of cosmetic science

authors： Natsch A,Wasescha M

更新日期：2007-10-01 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：:Long cattle tendons were enzymatically disposed of lipoid and accompanying nitrogenous substances. Collagenous hydrolysate of average molecular mass M(a) = 0.830 +/- 1.206 kDa, suitable for application in skin and hair-care preparations, was obtained through hydrolysis by commercial protease (Bacillus subtilis) under ...

journal_title：International journal of cosmetic science

authors： Langmaier F,Mládek M,Kolomazník K,Sukop S

更新日期：2002-10-01 00:00:00

abstract：:The causative substances for axillary osmidrosis, which are often found in apocrine sweat, are the decomposed/denatured products of short-chain fatty acid and other biological metabolite compounds produced by axillary-resident bacteria. Conventional underarm deodorants suppress the process of odour production mostly b...

journal_title：International journal of cosmetic science

authors： Nakane T,Gomyo H,Sasaki I,Kimoto Y,Hanzawa N,Teshima Y,Namba T

更新日期：2006-08-01 00:00:00

abstract：:Synopsis An historical reference is followed by a review of cosmetic colours' regulations based on the EEC Directive with particular reference to the U.K. Cosmetic Products Regulations and their effect on formulation. ...

journal_title：International journal of cosmetic science

authors： Foster A

更新日期：1979-08-01 00:00:00

abstract：:Skin firmness, elasticity and tone are gradually lost with age. These changes originate in the dermis and correspond to a decrease in the ability of cells, particularly the fibroblasts, to regenerate the molecules which make up the extracellular matrix. Skin ageing is also characterized by a reduction of the epidermal...

journal_title：International journal of cosmetic science

authors： Frei V,Perrier E,Orly I,Huc A,Augustin C,Damour O

更新日期：1998-06-01 00:00:00

abstract：:Synopsis The viscosity of cosmetic emulsions is of great practical importance and related to their skin feel. To achieve a desirable and constant viscosity is not an easy task because numerous factors must be considered. Based on theoretical considerations a new surfactant, steareth-5-stearate, has been developed. It ...

journal_title：International journal of cosmetic science

authors： Dahms G

更新日期：1991-02-01 00:00:00

abstract：OBJECTIVE:Several studies have shown that a deterioration of skin properties, an impaired cutaneous microcirculatory function and an imbalance of autonomic nervous activity are observed in smokers and in patients with diabetes mellitus or Raynaud's phenomenon. These observations suggest that skin properties are associa...

journal_title：International journal of cosmetic science

authors： Nomura T,Yoshida-Amano Y,Yoshida K,Fujii A,Tanahashi M,Sugiyama Y,Iwata K,Murase T

更新日期：2017-06-01 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：:Singlet-oxygen is a non-radical reactive oxygen species believed to play a major role in many photooxidation processes in connection with diverse photo-biological processes such as skin ageing or photocarcinogenesis. Dimethylmethoxy chromanol (3,4-dihydro-6-hydroxy-2,2-dimethyl-7-methoxy-1(2H)-benzopyran) is a potent ...

journal_title：International journal of cosmetic science

authors： Nonell S,García-Díaz M,Viladot JL,Delgado R

更新日期：2013-06-01 00:00:00

abstract：OBJECTIVE:The objective of our research was to investigate the reduction mechanism of thioglycerol (TG) on hair keratin fibres. METHODS:The structure of cross-sections at various depths of virgin white human hair resulting from the permanent waving process with TG was directly analysed at the molecular level using Ram...

journal_title：International journal of cosmetic science

authors： Kuzuhara A

更新日期：2018-02-01 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：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：:Various models of reconstructed epidermis already provide useful tools for safety and efficacy assessment of cosmetic products. However, the majority of these in vitro models are composed of keratinocytes only. Recently, the introduction of melanocytes into epidermal reconstructs has considerably enlarged their field ...

journal_title：International journal of cosmetic science

authors： Regnier M,Duval C,Schmidt R

更新日期：1999-02-01 00:00:00

abstract：OBJECTIVE:The aim of this work was to investigate an alternative hair-dyeing method with vegetable colourants as the tannins, as well as the impact of pre-treatment as the bleaching process. METHODS:Untreated, 1, 2 and 3 times bleached hair tresses that were dyed with tannins in combination with metal salts were chara...

journal_title：International journal of cosmetic science

authors： Sargsyan L,Vill V,Hippe T

更新日期：2020-08-01 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

abstract：:Synopsis The study of ternary systems leads to the understanding of the physico-chemical aspect and allows the contribution of the different components to a cosmetic formulation to be developed. The present investigation was centred in the zone of transparent get belonging to a previously studied ternary system contai...

journal_title：International journal of cosmetic science

authors： Comelles F,Megias V,Sánchez J,Parra JL,Coll J,Balaguer F,Pelejero C

更新日期：1989-02-01 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：: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

abstract：:Solid lipid nanoparticle (SLN) was regarded as new topical delivery systems for pharmaceutical and cosmetic active ingredients. The purpose of this study is to develop carrier systems for organic and inorganic sunscreens based on a matrix composed of carnauba wax and decyl oleate. Formulae (F1-F7) were prepared using ...

journal_title：International journal of cosmetic science

authors： Nesseem D

更新日期：2011-02-01 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 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：: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：:Body odours are generated from dead skin cells and secreted materials, such as sweat and sebum, through the metabolism of microorganisms living on the skin. Volatile steroids, key compounds in body odours, are also generated through the metabolism of microorganisms. These volatile steroids strengthen the intensity of ...

journal_title：International journal of cosmetic science

authors： Mikoshiba S,Takenaka H,Okumura T,Someya K,Ohdera M

更新日期：2006-02-01 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：:The present investigation describes a comparative study for the design of innovative topical formulation for skin hydration. In particular, different colloidal forms based on lipidic components have been produced and characterized. Morphology and dimensional distribution have been investigated by means of electron mic...

journal_title：International journal of cosmetic science

authors： Esposito E,Drechsler M,Mariani P,Sivieri E,Bozzini R,Montesi L,Menegatti E,Cortesi R

更新日期：2007-02-01 00:00:00