| 摘要 |
A cleansing composition comprising an alkyl ether carboxylic acid or a salt thereof represented by the following formula (1):
wherein, R 1 represents an alkyl group having 4 to 22 carbon atoms, n represents a number of from 0 to 20, and M represents a hydrogen atom, alkali metal, alkaline earth metal, ammonium, or organic ammonium,
wherein, R 1 contains two or more alkyl groups and has an average carbon number of from 10.8 to 12.5,
and wherein, the alkyl ether carboxylic acid or a salt thereof contains a component in which n = 0 in an amount of from 8 to 27 % by mass, a component in which n = 1 and a component in which n = 2 in a total amount of from 28 to 38% by mass, and components in which n ‰¥ 6 in a total amount of 10% by mass or more.
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 1 -O-(CH 2 CH 2 O) n -CH 2 -COOM€ƒ€ƒ€ƒ€ƒ€ƒ(1) |
