Patent ID: 9271919
Filing Date: 2016-03-01
CPC Classification: A61K,A61Q,C08B,C08L

Claim Text:
1. A method of treating hair, the method comprising a step of applying a hair treatment composition to hair in an effective amount to provide body to the hair, wherein the hair treatment composition comprises: a cationized hydroxypropyl cellulose (A); and at least one treating agent (B) selected from the group consisting of a hair-coloring dye, an oxidizing agent, an alkali agent and a keratin-reducing agent, wherein the cationized hydroxypropyl cellulose (A) has an anhydroglucose-derived main chain represented by the following general formula (1), and has a degree of substitution with cationized ethyleneoxy group of from 0.01 to 2.9 and a degree of substitution with propyleneoxy group of from 0.1 to 4.0: wherein R n indicates a mean degree of polymerization of anhydroglucose and is a number of from 50 to 5000; wherein one of Y PO represents a propyleneoxy group; p indicates the number of cationized ethyleneoxy groups ((—CH(Y wherein R X