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US 6,746,492 B2Granted
Semipermanent hair dye composition
AssigneeKao Corporation
InventorsTetsuya Kawai, Takashi Itou
Life of this patent
Estimating the term…
Abstract
A semipermanent hair dye composition comprising (A) a direct dye, (B) a hydrocarbon oil and (C) polyoxyalkylene-modified dimethyl polysiloxane. The semipermanent hair dye composition can uniformly dye hair without coloring the scalp and skin and gives the hair an excellent feel after hair coloring.
Claims29
A semipermanent hair dye composition comprising the following components (A), (B), and (C):
- (A) at least one acid dye;
- (B) at least one hydrocarbon oil;
- and
- (C) at least one polyoxyalkylene-modified dimethyl polysiloxane,
- wherein the pH of the hair dye composition is within a range of 2 to 5 when it is diluted to {fraction (1/10)}-strength with water.
2 more elements
Dependencies are inferred from the claim text.