Process for dyeing keratinous fibres with couplers and/or "rapid

Details Process for dyeing keratinous fibres with couplers and/or "rapid Process for dyeing keratinous fibres with couplers and/or "rapid

1990-10-17

1993-01-19

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8406, 8407, 8408, 8416, 8423, 8424, 8634, 424 70, A61K 713

Patent

active

051803976

ABSTRACT:
A process for dyeing keratinous fibers involves applying to the fibers a dye composition (A) containing an oxidation dye which is a mixture of a coupler and a "rapid" oxidation dye or a "rapid" oxidation dye, in combination with iodide ions. Also applied to the fibers, preceding or following the application of composition (A) is a composition (B) containing hydrogen peroxide having a pH ranging from 2 to 12.

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patent: 4985955 (1991-06-01), Grollier et al.
patent: 5021067 (1991-06-01), Grollier

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