摘要:
An organopolysiloxane having a main chain composed of the following repeating units (I), 2 to 199 side chain units (II) and 1 to 50 crosslinkage units (III) per 100 SiO units in the main chain, provided that the organopolysiloxane has at least 2, on average, crosslinkage units (III):
摘要:
A cosmetic, comprising a polymer (A) which comprises a repeating unit represented by the following formula (1), a repeating unit represented by the following formula (2) and a repeating unit represented by the following formula (3), said polymer (A) containing the repeating unit represented by the formula (3) in an amount of from 30 to 90 mass %, based on a total mass of the polymer (A), and being soluble in decamethylcyclopentasiloxane, wherein R is a hydrogen atom or a methyl group, X1 is —COOR1, a phenyl group or an organic group represented by the following formula (4): —COO(CaH2aO)b−R2 (4) X2 is an organic group represented by the following formula (5): X3 is a C6-10 divalent aryl group or —C(═O)OR4—, and A is an organopolysiloxane residue represented by the following formula (6):