Fundamentals of stability testing.

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：: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：:Synopsis An O/W/O multiple emulsion was formulated using almond oil as the inner phase and liquid paraffin as the outer phase. The properties of the formulation ingredients were explored: effect of the type of primary emulsifier, and the nature and concentration of the secondary emulsifier. The volume fraction of the ...

journal_title：International journal of cosmetic science

authors： Baillet A,Pirishi E,Vaution C,Grossiord JL,Ferrier-Baylocq D,Seiller M

更新日期：1994-02-01 00:00:00

abstract：:In this work, a comparative study between two methods to acquire relevant information about a cosmetic formulation has been carried out. A Design of Experiments (DOE) has been applied in two stages to a capillary cosmetic cream: first, a Plackett-Burman (PB) design has been used to reduce the number of variables to be...

journal_title：International journal of cosmetic science

authors： Balfagón AC,Serrano-Hernanz A,Teixido J,Tejedor-Estrada R

更新日期：2010-10-01 00:00:00

abstract：OBJECTIVE:Exposure to UV in humans resulting in sunburn triggers a complex series of events that are a mix of immediate and delayed damage mediation and healing. While studies on the effects of UV exposure on DNA damage and repair have been reported, changes in the oxidative modification of skin proteins are poorly und...

journal_title：International journal of cosmetic science

authors： Dyer JM,Haines SR,Thomas A,Wang W,Walls RJ,Clerens S,Harland DP

更新日期：2017-04-01 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：: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：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: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：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：: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:To investigate the efficacy of 13 antimicrobial substances (11 substances of natural origin and two conventional preservatives as controls) at two concentrations in an o/w cosmetic emulsion. METHODS:Cosmetic formulations were analysed for total aerobic bacterial count and total combined yeast count according...

journal_title：International journal of cosmetic science

authors： Kočevar Glavač N,Lunder M

更新日期：2018-05-05 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：:In order to understand the skin benefits of emollient oil ingredients in topical skin moisturizers, one single highly popular in vivo method (corneometry), even when executed to perfection, does not suffice. A systematical exploration using a combination of bioengineering techniques shows how a previously unaccounted ...

journal_title：International journal of cosmetic science

authors： Dederen JC,Chavan B,Rawlings AV

更新日期：2012-12-01 00:00:00

abstract：:The aim of this work was to investigate the effects of 1,18-octadecen-9-dioic acid (dioic acid) and a Rumex occidentalis extract complex for their skin-lightening action in an Indian population. Prior to the clinical study, the efficacy of dioic as an inhibitor of melanogenesis was confirmed on dark-pigmented human me...

journal_title：International journal of cosmetic science

authors： Merinville E,Byrne AJ,Visdal-Johnsen L,Bouvry G,Gillbro JM,Rawlings AV,Laloeuf A

更新日期：2012-12-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to clarify the effects of different body washing methods on skin texture. METHODS:Subjects were nine healthy women in their 20s. Skin on the inside of the forearms was washed every day for 4 weeks with protective washing (right forearm) and with non-protective washing (left fo...

journal_title：International journal of cosmetic science

authors： Matsumoto M,Matsuo J,Dai M,Nishizawa T,Matsui K,Ichikawa Y,Okuwa M,Sugama J,Sanada H

更新日期：2014-04-01 00:00:00

abstract：:Kajal and surma are eye cosmetics extensively used in Indian subcontinent. Kajal is prepared by burning of vegetable oil and butter oil while surma by grinding of the stones. High performance liquid chromatography and gas chromatography-mass spectrometry instruments were used for quantification and confirmation of 16 ...

journal_title：International journal of cosmetic science

authors： Patel DK,Prasad S,Tripathi R,Behari JR

更新日期：2009-06-01 00:00:00

abstract：:Synopsis The synthesis of 5-alkoxy and 5-aryloxymethylene-1,3,3-trimethyl-2-oxabicyclo[2.2.2]octan-6-ones by reaction of (+)-5-hydroxymethylene-1,3,3-trimethyl-2-oxabicyclo[2.2.2]octan-6-one with a number of saturated or unsaturated alcohols and phenols in order to check how substituents affected the fragrance, is des...

journal_title：International journal of cosmetic science

authors： Mariani E,Schenone P,Bargagna A,Longobardi M

更新日期：1995-04-01 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：: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: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: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：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：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：:The vapour pressures of phenethyl alcohol and limonene in their water-in-oil microemulsion region were measured by head space gas chromatography of equilibrated samples. The results showed that the vapour pressure of both fragrance compounds in their mutual solutions without surfactant or water was significantly great...

journal_title：International journal of cosmetic science

authors： Friberg SE,Yin Q,Aikens PA

更新日期：1998-12-01 00:00:00

abstract：:Scars are well known to have a stratum corneum that is malfunctional. Increases in transepidermal water loss and decreases in stratum corneum capacitance and conductance have been reported. Occlusion therapy is a well-known route to improving the signs and symptoms of scarring. Until recently that has been assumed to ...

journal_title：International journal of cosmetic science

authors： Rawlings AV,Bielfeldt S,Lombard KJ

更新日期：2012-09-23 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：:It is well known that the shelf-life of products containing dihydroxyacetone (DHA) is quite unsatisfactory, and that in this area the adjustment to an acidic pH is the way usually recommended to improve DHA stability. The adoption of this rule, however, is a challenge for the cosmetic chemist not only because of the r...

journal_title：International journal of cosmetic science

authors： Pantini G,Ingoglia R,Brunetta F,Brunetta A

更新日期：2007-06-01 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：:Synopsis The ocular irritation potential of 107 cosmetics and toiletries was compared using the rabbit's eye Draize test (IOMA), a cytotoxicity in vitro method (CFIO), and the hen's egg chorioallantoic membrane test (HET-CAM). There was a good correlation between both alternative methods and the Draize test. Non-corre...

journal_title：International journal of cosmetic science

authors： Boue-Grabot M,Bernardin G,Chaumond S,Pinon JF

更新日期：1995-10-01 00:00:00