FIELD: cosmetology. SUBSTANCE: invention relates with anhydrous compositions for decolorization of keratin fibers, particularly, hair, containing in acceptable for decolorization medium, at least one alkali agent and at least one peroxide salt. Said composition also includes a combination of at least one anionic and/or nonionic amphiphilous polymer with at least one fat chain and at least one cationic or amphoteric substantive polymer. Invention deals with the method of keratin fibers decolorization, particularly, man's keratin fibers such as hair. EFFECT: minimum destruction of keratin fibers at their decolorization. 25 cl, 3 tbl
