Patent ID: 11883518
Assignee: HENKEL AG & CO. KGAA
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 0:
1. A method for dyeing keratinous material, the method comprising the steps of:
applying an agent (a) to the keratinous material, wherein the agent (a) comprises:
(a1) an organic silicon compound selected from the group of silanes having one, two or three silicon atoms,
(a2) a hydroxycarboxylic acid ester, and
(a3) a diol and

applying an agent (b) to the keratinous material, wherein the agent (b) comprises:
(b1) a sealing reagent,, wherein at least one of the agents (a) and (b) further comprises at least one colorant compound selected from the group of pigments and/or direct dyes.