Diphenylamines for dyeing keratinous fibers

Abstract

Abstract Diphenylamines of the formula <IMAGE> wherein R1 and R2 each independently represent hydrogen, halogen or lower alkyl containing 1-4 carbon atoms with at least one of R1 and R2 being other than hydrogen; R3, R4, R5, R6, and R7 each independently represent hydrogen or lower alkyl optionally substituted with hydroxy, carbamyl, piperidinyl or acylamino; R3 and R6 or R4 and R7 also optionally forming together with the carbon and nitrogen atoms to which they are attached, a dihydrooxazine or pyrroline heterocycle; and Z represents amino, acylamino or hydroxy; and the acid salts of said diphenylamines. These diphenylamines are usefully employed in cosmetic compositions for the hair including hair dye compositions and hair setting lotion compositions.

Inventors

• 👤 Gregoire Kalopissis
• 👤 Andree Bugaut
• 👤 Francoise Estradier

Bibliographic Details