| abstract |
The invention relates to a dye composition for keratin fibers, in particularly for human keratin fibers such as the hair, including, in a medium suitable for dyeing, at least one dye direct, cationic of given formula, and which is characterized by the fact that it contains in addition to minus one thickening polymer chosen from the group comprising: crosslinked acrylic acid homopolymers, homopolymers and copolymers partially or totally 2-acrylamido-2-methyl-propane sulfonic acid neutralized; ammonium acrylate homopolymers and copolymers ammonium acrylate and acrylamide, crosslinked acid copolymers (meth) acrylic and C1-C6 alkyl acrylate, homopolymers and nonionic copolymers containing ethylenically unsaturated monomers ester and / or amide type. The invention also relates to the methods and devices for dyeing the putting in action. |