Pretreatment agents for acidic hair dyes

Details Pretreatment agents for acidic hair dyes Pretreatment agents for acidic hair dyes

2006-05-02

2006-05-02

Elhilo, Eisa (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Two-phase system dyeing composition or process

C008S542000, C008S551000, C008S552000, C008S585000, C132S202000, C132S208000

Reexamination Certificate

active

07037347

ABSTRACT:
Pretreatment agents for hair colorings with acid dye comprising at least one cationic polymer selected from the group consisting of polymers having amino groups and polymers having quaternary ammonium groups. The pretreatment agents for hair colorings with acid dye are used for improving coloring ability and color fastness of hair colorings with acid dye.

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