| 摘要 |
PROBLEM TO BE SOLVED: To provide a hair cosmetic which includes a hair elasticity improver, and imparts excellent usability (firmness/stiffness feeling, smoothness, no sticky feeling) to hair.SOLUTION: A hair elasticity improver is composed of a taurine derivative represented by following general formula (1), and a hair cosmetic includes the hair elasticity improver. (In the formula (1), either one or both of Rand Rare groups represented by general formula: R3OCH2CH(OH)CH2-, and the remainder in the Rand Ris a hydrogen atom. M is at least one selected from a hydrogen atom, an alkali metal, an alkali earth metal, an ammonium, and organic amines. Ris an alkyl group having a straight chain or a branch, of a carbon number of 1-8, an alkenyl group, or a hydroxyalkyl group.) |
