Hair dyes

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

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Details

8406, 8408, 8409, 8410, 8411, 8412, A61K 713

Patent

active

043257046

ABSTRACT:
This invention is directed to a composition of the developer-coupler type for the dyeing of hair, consisting essentially of, as coupler, at least on N-benzyl-m-phenylenediamine derivative of general formula ##STR1## wherein Ar is a radical selected from the group consisting of ##STR2## or an inorganic or organic acid salt thereof, and, as developer component, one or more of the conventional developer components used in oxidation dyes.

REFERENCES:
patent: 3674414 (1972-07-01), Kalopissis et al.
patent: 3694138 (1972-09-01), Kalopissis et al.
patent: 3893803 (1975-07-01), Kaiser

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