Dyeing compositions for keratinous fibres based on indole deriva

Details Dyeing compositions for keratinous fibres based on indole deriva Dyeing compositions for keratinous fibres based on indole deriva

1987-03-05

1989-04-18

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

8408, 8409, 8429, 548414, 548430, 548469, 548492, 548493, A61K 713, C07D20930, C07F 912

Patent

active

048223751

ABSTRACT:
Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds.
Dyeing composition for keratinous fibres, and especially human hair, characterized in that it contains, in a cosmetically acceptable medium suitable for dyeing these fibres, at least one dye corresponding to the formula: ##STR1## in which R.sub.1 denotes a hydrogen atom or a lower alkyl group or a group --SiR.sub.9 R.sub.10 R.sub.11 ;

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