Patent ID: 6391063
Filing Date: 2002-05-21
Classification: A61K,A61Q

Abstract:
A composition for the oxidation dyeing of keratin fibres comprising, in a medium which is suitable for dyeing:(a) at least one oxidation base, (b) and at least two couplers, wherein the first coupler is chosen from 1,3-bis(&bgr;-hydroxyethyl)amino-2-methylbenzene and an addition salt thereof with an acid, and the second coupler is chosen from a substituted meta-phenylenediamine corresponding to formula (I), and an addition salt thereof with an acid: in which:R1 is chosen from hydrogen, C1-C4alkyl radicals, C1-C4 monohydroxyalkyl radicals and C2-C4 polyhydroxyalkyl radicals;, R2 and R3, which may be identical or different, are chosen from hydrogen, C1-C4 alkyl radicals and C1-C4 hydroxyalkoxy radicals; and R4 is chosen from C1-C4 alkoxy radicals, C1-C4 aminoalkoxy radicals, C1-C4 monohydroxyalkoxy radicals, C2-C4 polyhydroxyalkoxy radicals and 2,4-diaminophenoxyalkoxy radicals; provided that if R1, R2, and R3 are simultaneously hydrogen, then R4 is not a methoxy radical.