摘要:
Alkylamino-mercaptoalkylamides have the formula ##STR1## wherein A represents the divalent radical --(CH.sub.2)n--, wherein n is a whole number ranging from 2 to 5, or the divalent radical --(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 --,m is 0, 1 or 2,R.sub.1 represents hydrogen or linear or branched lower alkyl having 1-5 carbon atoms,R.sub.2 and R.sub.3, each independently, represent hydrogen or a linear or branched lower alkyl having 1-4 carbon atoms with the proviso that R.sub.2 and R.sub.3 are not hydrogen simultaneously and the salts of the compound of formula I as well as the corresponding disulfides with the exclusion of the disulfide in which A.dbd.--(CH.sub.2).sub.2 --, m=0, R.sub.1 and R.sub.2 .dbd.H and R.sub.3 .dbd.--C.sub.2 H.sub.5. The compound of formula I is used as a reducing agent in a cosmetic composition for the permanent deformation of hair.
摘要:
The invention relates to a process for the preparation of a melanic pigment, comprising the polymerisation of a compound corresponding to the formula: ##STR1## in which: R denotes a hydrogen atom, an alkyl, alkoxy, hydroxyalkyl, SiR.sub.4 R.sub.5 R.sub.6 or aminoalkyl radical, or an aryl radical which is unsubstituted or substituted by OH, NH.sub.2, alkyl, alkoxy or NO.sub.2 ;R.sub.1 and R.sub.2 denote alkyl groups or together form a methylene or ethylene group which is optionally substituted by one or more alkyl groups, and R.sub.2 denotes hydrogen or COOH, in the presence of an oxidizing medium and of an enzyme with (per)oxidizing activity or of a compound which has a similar activity, and to powders which make use of them and to their cosmetic use.
摘要翻译:本发明涉及一种制备黑色素的方法,包括对应于下式的化合物的聚合:其中:R表示氢原子,烷基,烷氧基,羟基烷基,SiR 4 R 5 R 6或氨基烷基 或未取代或被OH,NH 2,烷基,烷氧基或NO 2取代的芳基; R1和R2表示烷基或一起形成任选被一个或多个烷基取代的亚甲基或亚乙基,R 2表示氢或COOH,在氧化介质和具有(以下)氧化活性的酶或 具有相似活性的化合物和使用它们的粉末及其化妆品用途的粉末。
摘要:
Method for dyeing keratinous fibres, characterized in that at least one composition (A) containing at least one aminoindole in a medium appropriate for dyeing is applied to these fibres, the application of the composition (A) being preceded or followed by the application of a composition (B) containing, in a medium appropriate for dyeing, at least one quinone derivative chosen from ortho- or para-benzoquinones, ortho- or para-benzoquinone monoimines or diimines, 1,2- or 1,4-naphthoquinones, ortho- or para-benzoquinone sulphonimides, .alpha.,.omega.-alkylene-bis-1,4-benzoquinones, or 1,2- or 1,4-naphthoquinone monoimines or diimines, the aminoindoles and the quinone derivatives being chosen such that the difference in redox potential .DELTA.E between the redox potential E.sub.i of the aminoindoles, determined at pH 7 in a phosphate medium on a vitreous carbon electrode by voltametry, and the redox potential E.sub.q of the quinone derivative, determined at pH 7 in a phosphate medium by polarography on a mercury electrode relative to the saturated calomel electrode, in such that.DELTA.E=E.sub.i -E.sub.q .ltoreq.470 mV.
摘要:
The invention relates to compounds of formula: ##STR1## in which: R.sub.1 and R.sub.2 denote, independently of one another, a hydrogen atom or alternatively a carbamoyl group of formula: ##STR2## with R'.sub.3 denoting hydrogen or R.sub.3 ; an alkoxycarbonyl group of formula: ##STR3## or an acyl group of formula: ##STR4## in which formulae R.sub.3 denotes an alkyl, alkenyl or cycloalkyl radical; R.sub.3 can also denote an aryl or aralkyl radical; andR denotes a linear or braanched C.sub.1 -C.sub.8 alkyl radical substituted with one or more halogen atoms, and to their use for the treatment and prevention of hair loss and for stimulating its regrowth.
摘要:
A cosmetic composition, in particular a nail varnish, comprising a crosslinked polyester as plasticizer. The crosslinked polyester may be derived from the polycondensation of adipic acid, diethylene glycol and a polyol having at least three hydroxyl groups.
摘要:
A mineral or organic particle-based product comprising an indoline product, a method for preparing same, and the use thereof in cosmetics. The product is a powder consisting of mineral or organic particles smaller than 200 microns, and comprises, in and/or on the particles, an indoline product obtained by oxidative polymerization using at least one indoline.
摘要:
At least one 2-sulphured metaphenylenediamine of formula (I) ##STR1## used for dyeing keratin fibres, wherein Z is alkyl, aralkyl, monohydroxyalkyl, polyhydroxyalkyl, aryl or aminoalkyl; R.sub.1 and R.sub.2, which are the same or different, are hydrogen, alkyl, monohydroxyalkyl, polyhydroxyalkyl, monocarbamylalkyl, dialkylcarbamyl, aminoalkyl, acyl carbalkoxy, carbamyl, or monoalkylcarbamyl; R.sub.3 is hydrogen, alkyl, nitrile, amide, fluoroalkyl, or --COOR; and the corresponding acid salts. A method for dyeing keratin fibres, and novel 2-sulphured metaphenylenediamines, are also disclosed.
摘要翻译:用于染色角蛋白纤维的至少一种式(I)的2-硫化间苯二胺,其中Z是烷基,芳烷基,一羟基烷基,多羟基烷基,芳基或氨基烷基; R 1和R 2相同或不同,为氢,烷基,单羟基烷基,多羟基烷基,单甲基烷基,二烷基氨基甲酰基,氨基烷基,酰基烷氧基,氨基甲酰基或单烷基氨基甲酰基。 R3是氢,烷基,腈,酰胺,氟烷基或-COOR; 和相应的酸盐。 还公开了一种染色角蛋白纤维的方法和新的2-硫化亚萘二胺。
摘要:
The invention relates to a dye composition for keratinic fibers comprising an oxidation colorant precursor of the type ortho and/or para and a sulfured metaphenylenediamine having formula (I) ##STR1## wherein Z is alkyl, aralkyl, monohydroxyalkyl or polyhydroxyalkyl, aryl or aminoalkyl, as well as the acid salts thereof, with the condition that R.sub.1 and R.sub.2 do not represent simultaneously hydrogen when Z is alkyl or hydroxyalkyl, as well as the acid salts corresponding to the compounds of formula (I).
摘要:
Sulfated metaaminophenols are disclosed and have the formula ##STR1## where: Z is alkyl, aralkyl, monohydroxyalkyl, polyhydroxyalkyl, aryl, aminoalkyl;R.sub.1 is hydrogen, alkyl, monohydroxyalkyl, polyhydroxyalkyl, monocarbamylalkyl, dicarbamylalkyl, aminoalkyl, acylaminoalkyl, carbalkoxyalkyl, carbamyl, or monoalkylcarbamyl;R.sub.2 is hydrogen, alkyl, monohydroxyalkyl, alkoxy;and their acid salts.Intermediate products used for their preparation are also disclosed.These sulfated metaaminophenols are used to dye keratinous fibers.
摘要:
A mineral or organic particle-based product comprising an indoline product, a method for preparing same, and the use thereof in cosmetics. The product is a powder consisting of mineral or organic particles smaller than 200 microns, and comprises, in and/or on the particles, an indoline product obtained by oxidative polymerization using at least one indoline.