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US 6,045,591 AGranted
Process for the two-step direct dyeing of keratin fibres using basic direct dyes
AssigneeL'oreal
InventorChristelle Deneulenaere
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Abstract
The invention relates to a process for the two-step direct dyeing of keratin fibres, comprising bleaching the keratin fibres; and applying to the keratin fibres a dye composition comprising at least one partially dissolved basic direct dye and an aqueous medium, wherein the dye composition is ready to use or results from mixing, at the time of use, at least one pulverulent composition (P) comprising at least one basic direct dye and an aqueous composition (A).
Claims23
A process for the two-step direct dyeing of keratin fibres, comprising:
- a) bleaching the keratin fibres;
- and
- b) applying to the bleached keratin fibres a dye composition comprising at least one partially dissolved basic direct dye and an aqueous medium, wherein the partially dissolved basic direct dye is either in supersaturation or is partially or totally absorbed onto or coated with an insoluble inorganic or orqanic filler present in the dye composition,
- wherein the dye composition is ready to use or results from mixing, at the time of application, at least one pulverulent composition comprising at least one basic direct dye and an aqueous composition.
1 more element
Dependencies are inferred from the claim text.