Patent ID: 8741825
Filing Date: 2014-06-03
Classification: A61K,A61Q

Abstract:
1. A method for cleansing hair, comprising contacting hair with a hair cleansing composition comprising ingredients (A), (B), (C), and (D) at a weight ratio of (A) to (B) [(A)/(B)] of from 0.1 to 1.2, at a weight ratio of (A) to (C) [(A)/(C)] of from 0.1 to 1.2, at a weight ratio of (D) to the total weight of (A), (B), and (C) [(D)/((A)+(B)+(C))] of from 0.005 to 0.1, and at a total weight of (A), (B), and (C) [(A)+(B)+(C)] of from 5 to 30 wt %: (A) 1 to 8 wt. % of an ether carboxylate surfactant of formula (4): wherein R (B) 1 to 15 wt. % of an ether sulfate surfactant of formula (6): wherein R (C) 2 to 15 wt. % of one or more betaine amphoteric surfactant selected from the group consisting of carbobetaine and sulfobetaine, and (D) 0.01 to 3 wt % of a cationic-group containing copolymer obtained by the copolymerization of a monomer mixture containing the following monomers (a1), (a2), and (a3): (a1) at least one hydrophilic nonionic-group containing vinyl monomer of formula (I): wherein R (a2) at least one cationic-group containing vinyl monomer of formula (III): wherein R and (a3) a crosslinkable monomer having two or more reactive unsaturated groups, wherein the molar ratio of (a1)/(a2) ranges from 60/40 to 93/7, and wherein (a3) is present in an amount of from 0.002 to 0.08 wt % based on the total amount of monomers.