| abstract |
PROBLEM TO BE SOLVED: To provide an excellent conditioning effect even when used for damaged hair by being blended in a hair treatment composition. When blended in a skin cosmetic composition such as a body cleanser, foaming and Provided is a cationic polymer capable of improving the foam quality and obtaining a good feeling of use. SOLUTION: Mannose having a galactomannan content of 90% by mass or more and a turbidity of a 1% by mass aqueous solution having a turbidity of 15% or less and a mannose as a main chain and a galactose unit as a side chain; A specific amount of a quaternary nitrogen-containing group is introduced into a part of the hydroxyl group of locust bean gum having a galactose composition ratio of 4 to 1, and the cation charge amount is adjusted to a specific range. Cation-modified purified locust bean gum having a turbidity of a 1% by weight aqueous solution of cation-modified purified locust bean gum after introduction of a quaternary nitrogen-containing group, and a cosmetic composition containing the cation-modified purified locust bean gum object. |