| abstract |
[Problem] To provide a hair cosmetic that is not sticky, has sufficient set holding power, has less stickiness, and can be re-haired. [Solution] General formula (1) -(R-O-CO-O)-(1) [R is a divalent hydrocarbon group having 2 to 20 carbon atoms] A polycarbonate structure having a repeating unit represented by the following formula is an ester bond, an ether bond, a urethane bond, a urea bond, a carbon-silicon bond, an amide bond, the following bond (A) and bond (B): (R 1 , R 2 and R 3 are each a hydrogen atom or an alkyl group having 1 to 4 carbon atoms) A hair cosmetic comprising a polymer that is connected to each other through one or more bonds selected from the group consisting of the above, or connected to a structure having another repeating unit. [Selection figure] None |