COMPOSITION COMPRISING A DICARBONYL COMPOUND AND AN AMINO SILICONE, AND PROCESS FOR STRAIGHTENING THE HAIR USING THIS COMPOSITION

摘要

The present invention relates to a cosmetic composition, in particular a hair composition, comprising i) one or more dicarbonyl compounds corresponding to formula (I) below, and/or derivatives thereof and/or hydrates thereof and/or salts thereof: in which formula (I): R represents an atom or group chosen from i) hydrogen, ii) carboxyl —C(O)OH, iii) linear or branched C1-C6 alkyl which is optionally substituted, preferably with at least one hydroxyl —OH radical, carboxyl —C(O)—OH radical or halogen such as Br, iv) optionally substituted phenyl, v) optionally substituted benzyl, iv) and v) preferably being optionally substituted with at least one —OH or —C(O)OH radical, vi) an indolyl radical and vii) an imidazolylmethyl radical and tautomers thereof such as with * representing the part linked to the rest of the molecule, and ii) at least one amino silicone, the composition having a pH of less than or equal to 4, and also to a process for straightening the hair using this composition.;

主权项

1. Process for straightening keratin fibres such as the hair, which comprises the application to the said fibres of a cosmetic composition comprising:
i) one or more dicarbonyl compounds corresponding to formula (I) below, and/or derivatives thereof and/or hydrates thereof and/or salts thereof: in which formula (I):R represents an atom or group chosen from i) hydrogen, ii) carboxyl-C(O)OH, iii) linear or branched C1-C6 alkyl which is optionally substituted, preferably with at least one hydroxyl —OH radical, carboxyl —C(O)—OH radical or halogen such as Br, iv) optionally substituted phenyl, v) optionally substituted benzyl, iv) and v) preferably being optionally substituted with at least one —OH or —C(O)OH radical, vi) an indolyl radical and vii) an imidazolylmethyl radical and tautomers thereof such as:  with * representing the part linked to the rest of the molecule, and ii) at least one amino silicone, the composition having a pH of less than or equal to 4, followed by a straightening step using a straightening iron.