Coloring hair with aminoalkyl-or aminohydroxyalkyl-catechols

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

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Details

8429, 8623, 8624, 8629, A61K 713

Patent

active

049042742

ABSTRACT:
A process for coloring hair in which a functional metal ion and aminoalkyl or aminohydroxyalkyl catechols are used in combination or applied sequentially to dye the hair rapidly.

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