Hair dyeing process

Details Hair dyeing process Hair dyeing process

2006-06-13

2006-06-13

Elhilo, Eisa (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

C008S406000, C008S408000, C008S435000, C008S618000, C008S620000, C008S623000, C132S202000, C132S208000

Reexamination Certificate

active

07060108

ABSTRACT:
Hair can be dyed by applying an oxidizing-agent-free, air-oxidative, one-pack hair dye composition to the hair without mixing the hair dye composition with an oxidizing agent and, after the hair is left over for 5 minutes to 1 hour, rinsing off the hair dye composition with water. The hair dye composition comprises:(a) a water soluble salt of a transition metal: 0.001 to 10 wt. % in terms of an anhydride based on the whole composition,(b) a chelating agent capable of coordinating on said transition metal: 0.001 to 10 wt. % based the whole composition, and(c) a color-developing substance: 0.001 to 10 wt. % based on the whole composition.According to the present invention, hair can be dyed by a convenient procedure without damage. The present invention is also excellent in dyeing properties and color variations.

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