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US 4,964,874 AGranted
Hair treatment product
AssigneeUnilever Patent Holdings B.V.
InventorFongchan Saphakkul
Life of this patent
Estimating the term…
Abstract
An aqueous hair conditioner product comprises a cationic surfactant, a fatty alcohol having an alkyl group with from 8 to 22 carbon atoms, a basic dye, and a neutral dye, the cationic surfactant being present in the form of a disperse lamellar liquid crystal phase, and the weight ratio of basic dye to neutral dye being from 1:20 to 1:2.
Claims12
An aqueous hair conditioner product comprising:
- (i) from 0.1 to 5% by weight of a cationic surfactant,
- (ii) from 0.1 to 5% by weight of a fatty alcohol having an alkyl group with from 8 to 22 carbon atoms,
- (iii) from 0.001 to 0.5% by weight of a basic dye, and
- (iv) from 0.001 to 5% by weight of a neutral dye;
- the cationic surfactant being present in the form of a disperse lamellar liquid crystal phase, and the weight ratio of basic dye to neutral dye being from 1:20 to 1:2.
2 more elements
Dependencies are inferred from the claim text.