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Reducing composition for the permanent deformation of hair containing as a reducing agent, an amino mercaptoalkylamide or a salt thereof
Reducing composition for the permanent deformation of hair containing as a reducing agent, an amino mercaptoalkylamide or a salt thereof
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机译:用于头发永久变形的还原剂组合物,其包含还原剂,氨基巯基烷基酰胺或其盐作为还原剂
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摘要
A cosmetic composition for the first stage of a permanent deformation of the hair contains, in a cosmetically acceptable vehicle, as a reducing agent, an amino mercaptoalkylamide having the formula ##STR1## wherein A represents the divalent radical, --(CH.sub.2).sub.n -- wherein n is a whole number ranging from 2 to 5, or the divalent radical - -(CH.sub.2)--O- -(CH.sub.2).sub.2 --, m is 0 or a whole number ranging from 1 to 4, and (i) when m is 0, R.sub.2 represents hydrogen methyl, ethyl, isopropyl, isobutyl, 2-methyl butyl, benzyl, 4-amino butyl, 3- guanidino propyl, 2- methylthio ethyl, carboxymethyl or 2-carboxyethyl, and (ii) when m is a whole number from 1 to 4, R.sub.1 represents hydrogen or lower alkyl having 1-5 carbon atoms, and the salts of the compound of formula I.
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