Bismuth dye system for human hair

Details Bismuth dye system for human hair Bismuth dye system for human hair

2005-11-04

2008-10-14

Elhilo, Eisa B (Department: 1796)

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

C008S406000, C008S435000, C008S587000, C008S622000

Reexamination Certificate

active

07435269

ABSTRACT:
A progressive hair dyeing composition which comprises the following ingredients:(a) from 0.1 to 5 wt % of a bismuth salt;(b) from 0.1 to 5 wt % of a thiosulfate compound;(c) from 1 to 20 wt % of a delta-valerolactam;(d) from 0.25 to 2.5 wt % of an alkaline agent;(e) from 0 to 5 wt % of elemental sulfur; and(e) from 50 to 90 wt % of water.

REFERENCES:
patent: 4583986 (1986-04-01), Lapidus
patent: 5972237 (1999-10-01), Muller et al.

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