Method for dyeing keratin material by means of a dyeing agent and an acidic posttreatment agent
AssigneeHenkel AG & Co. KGaA
InventorsCostanze Neuba, Sandra Hilbig, Daniela Kessler-Becker, Torsten Lechner
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Abstract
A process and a kit-of-parts are provided for dyeing keratinous material, in particular human hair. The process includes applying a coloring agent (a) to the keratinous material, the agent (a) comprising (a1) at least one amino-functionalized silicone polymer, (a2) at least one color-imparting compound, and (a3) at least one nonionic surfactant. The process further includes applying a post-treatment agent (b) to the keratinous material, the agent (b) comprising (b1) at least one acid.
Claims19
A process for dyeing keratinous material, comprising:
- applying a coloring agent (a) to the keratinous material, the agent (a) comprising:
- (a1) at least one amino-functionalized silicone polymer,
- (a2) at least one color-imparting compound, and
- (a3) at least one nonionic surfactant;
- and
- applying a post-treatment agent (b) to the keratinous material, the agent (b) comprising:
- (b 1) at least one acid.
The process according to claims1 comprising the following steps in the order indicated.
- (1) applying the staining agent (a) on the keratinous material,
- (2) allowing the agent (a) to act for a period of about 10 seconds to about 10 minutes,
- (3) if necessary, rinsing the keratinous material with water,
- (4) applying the after-treatment agent (b) on the keratinous material,
- (5) allowing the agent (b) to act for a period of about 30 seconds to about 30 minutes, and
- (6) rinsing the keratinous material with water.
Dependencies are inferred from the claim text.