Hair dye composition

Details Hair dye composition Hair dye composition

2005-04-12

2005-04-12

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

C008S407000, C008S426000, C008S441000, C008S454000, C008S462000, C008S463000, C008S568000, C008S570000, C008S572000, C008S573000, C008S574000, C132S208000

Reexamination Certificate

active

06878169

ABSTRACT:
Provided is a hair dye composition containing a direct dye (1):[wherein, R1, R2, R3, R4, R5and R6each represents a C1-6alkyl group; R7and R8each represents a hydroxy group, a C1-6alkyl group, a C1-6alkoxy group, an amino group or alkylamino groups; R9represents a hydrogen atom or a C1-6alkyl group; and X−represents an anion].This hair dye composition undergoes a small change in color tone even after storage because it contains the direct dye (1) which has high stability against any one of an alkali agent, oxidizing agent and reducing agent, and at the same time, has markedly high hair dyeing power and exhibits excellent light resistance, washing resistance, perspiration resistance, friction resistance and heat resistance.

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