| abstract |
The subject of the invention is a method for dyeing keratinous fibers by applying to said fibers i) at least one orthodiphenol derivative, ii) at least one metal salt, iii) at least one peroxide of hydrogen or at least one hydrogen peroxide generating system and iv) at least one (bi) carbonate.n n n Another object of the invention is a multi-compartment device comprising ingredients i), ii) and iii) and iv).n n n This capillary coloring process makes it possible to obtain better, more homogeneous, chromatic, stubborn colorations that do not alter the cosmetic properties of keratin fibers from orthodiphenol extract, especially natural extracts. |