Process for the two-step direct dyeing of keratin fibres using b

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing

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8405, 8431, 8618, 8654, 8655, 8657, 8659, 8103, 8107, 8111, 8931, 8524, 8526, A61K 713

Patent

active

060455918

ABSTRACT:
The invention relates to a process for the two-step direct dyeing of keratin fibres, comprising bleaching the keratin fibres; and applying to the keratin fibres a dye composition comprising at least one partially dissolved basic direct dye and an aqueous medium, wherein the dye composition is ready to use or results from mixing, at the time of use, at least one pulverulent composition (P) comprising at least one basic direct dye and an aqueous composition (A).

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