The colorant dichromophorique carbonyl or heterocyclic, dye composition comprising the dye, a subject-matter of the coloration of the starting from this colorant

摘要

The present invention relates to the dyeing of keratinous substances, with the aid of dyes dichromophorique with linker carbonyl or hétérocyclique.l' invention relates to a dyeing composition comprising a dye for linker carbonyl or heterocyclic, a process for the coloration with highlighting of keratin materials, in particular keratin fibres, in particular, such as human hair, using the said composition optionally in the presence of a cosmetically acceptable acid or base. It also relates to novel dyes, and their uses in the lightening of the materials kératiniques.cette composition makes it possible to obtain a coloration with highlighting particularly resistant and visible on dark keratin fibres.