Aqueous-based hair dyeing composition containing a soluble bismu

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

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8406, 8416, 8424, 8426, 8622, D06P 304, D06P 314

Patent

active

043068731

ABSTRACT:
A hair dyeing composition comprising a water-soluble metal salt complex and a sulfur-containing reducing compound is described. In the composition, the metal salt complex is a water-insoluble bismuth salt of an alpha-hydroxy, polycarboxylic acid with a nitrogen-containing solubilizing agent.

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patent: 3415608 (1968-12-01), Tucker
patent: 3954393 (1976-05-01), Lapidus
patent: 4195972 (1980-04-01), Lapidus

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