Process for lightening or process for direct dyeing or oxidation dyeing of keratin fibers in the presence of at least one ammonium salt and device therefor

摘要

The present disclosure relates to a process for lightening or dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising applying to the keratin fibers: (a) an anhydrous cosmetic composition (A) comprising at least one fatty substance and at least one surfactant; (b) a cosmetic composition (B) comprising at least one ammonium sa and (c) a composition (C) comprising at least one oxidizing agent; when the process is a process for dyeing keratin fibers, said cosmetic composition (B) further comprises at least one oxidation dye and/or at least one direct dye. The present disclosure also relates to a multi-compartment device comprising the disclosed compositions for lightening or dyeing keratin fibers.