Nitroso compounds as direct dyes

Details Nitroso compounds as direct dyes Nitroso compounds as direct dyes

A - Human Necessities

61

K

8/6

A61K 7/13 (1990.01)

Patent

CA 2024435

ABSTRACT OF THE DISCLOSURE 4-nitroso anilines and cosmetically acceptable salts thereof are employed as direct dyes. Compositions for dyeing keratin fibers and containing said 4-nitroso anilines and an alkalizing agent are also disclosed.

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