Composition, useful for the permanent deformation of keratin fibers, preferably hair, comprises, in a medium, reducing agents and reaction products of oxirane or oxetane compounds, and aminosilane compounds
Reducing cosmetic composition comprises, in a medium, (i) one or more reducing agents, and (ii) one or more reaction products (A) of (a) one or more oxirane or oxetane compounds comprising at least two oxirane or oxetane groups, and (b) one or more aminosilane compounds (I). Reducing cosmetic composition comprises, in a medium, (i) one or more reducing agents, and (ii) one or more reaction products (A) of (a) one or more oxirane or oxetane compounds comprising at least two oxirane or oxetane groups, and (b) one or more aminosilane compounds of formula (N(H)(R1)R2Si(OR3) 3 a - b - c(OR4) a(R5Si(OR6) d(R7) e) bR8 c) (I). R1 : H or 1-20C monovalent hydrocarbon radical； R2 : 1-60C divalent hydrocarbon radical； R4 : 3-200C hydrocarbon group； R5 : group comprising oxygen or 1-60C divalent hydrocarbon radical； R3, R6, R7, R8 : 1-200C monovalent hydrocarbon radical； a : 0 to less than 3； b, c : 0-3, provided that when a+b+c is = 3； and d, e : 0-3, where d+e is 3. Independent claims are included for: (1) process of permanent deformation of hair comprising: either applying to the hair a reducing composition to reduce keratin disulfide bonds, and fixing by oxidation, for reforming the bonds, by applying an oxidizing composition, to reform the bonds, by applying oxidizing composition on hair by contacting hair with oxygen of the air； or applying to the hair a cosmetic composition comprising (A) in a medium, applying to the hair of a reducing composition comprising one or more reducing agents in a medium, and fixing by oxidation, for reforming the disulfide bonds, by applying an oxidizing composition to the hair or by contacting the hair with the oxygen in the air； and (2) kit for permanently reshaping the hair comprising, in a first compartment a reducing composition and in a second compartment an oxidizing composition.L'invention concerne une composition cosmétique réductrice pour la déformation permanente des fibres kératiniques, en particulier des cheveux, comprenant, dans u
