Patent ID: 8974548
Filing Date: 2015-03-10
Classification: A61K,A61Q

Abstract:
1. A hair colouring composition comprising: a) from 0.1 to 15 wt % of the total composition of dihydroxyacetone or a derivative thereof; b) from 0.5 to 7.5 wt % of the total composition of a cationic surfactant; c) from 0.1 to 15 wt % of the composition of a sulphonic compound of formula: wherein, in the formula for the sulphonic compound, p is an integer from 1 to 5, R X is O or S, q is an integer from 0 or 1, and Y is an alkyl group or hydroxyl group; and d) fatty alcohol, wherein the weight ratio of cationic surfactant to fatty alcohol is from 1:1 to 1:10 and wherein the composition is in the form of a shampoo or conditioner that includes a lamellar phase in which the cationic surfactant is dispersed.