Method for coloring or bleaching hair fibers
Disclosed is a method for coloring or bleaching a hair comprising steps of: (a) applying a first formulation comprising a hair coloring agent or bleaching agent in the hair and (b) applying to the hair a second formulation comprising a hair composition of an amide and/or an alkyl ammonium carboxylate salt. The amide can be a monoamide and/or a bisamide.
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Gijsbert Emmanuel Paul Jos Marie Thi Diem Truc
Kroon Everaert Tran