Oxidation hair dye composition based on 4,5-diaminopyrazole and

Details Oxidation hair dye composition based on 4,5-diaminopyrazole and Oxidation hair dye composition based on 4,5-diaminopyrazole and

1996-08-13

1998-02-17

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8407, 8410, 8411, 8416, 8423, A61K 713

Patent

active

057187312

ABSTRACT:
The oxidation hair dye composition contains from 0.01 to 4.0 percent by weight of a developer substance including at least one diaminopyrazole of the formula (I) ##STR1## wherein R.sup.1 is selected from the group consisting of hydrogen, an alkyl group having from 1 to 6 carbon atoms, a hydroxyalkyl group having from 2 to 4 carbon atoms and a substituted or unsubstituted benzyl group, and R.sup.2 and R.sup.3, independently, are each selected from the group consisting of hydrogen, an alkyl group having from 1 to 6 carbon atoms and a hydroxyalkyl group having from 2 to 4 carbon atoms; and from 0.01 to 4.0 percent by weight of a coupler substance including at least one m-phenylenediamine selected from the group consisting of N-(3-dimethylamino)phenyl urea and 3-(N-methylsulfonyl)amino-N,N-dimethylaniline.

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H. Dorn, et al, Liebigs Ann. Chem. 707, 1967, pp. 141-146.

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