| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problems on formulation according to various kinds of compounds modifying the characteristics of a cosmetic composition or to be contained in the cosmetic composition. <P>SOLUTION: The cosmetic composition comprises a diblock copolymer comprising two blocks of blocks A and B wherein (1) the block A contains a repeating unit being neutral or cationic dependent on the pH, and is a polycationic block at the pH condition of the composition, (2) the block B is a neutral block at the pH condition of the composition, and (3) both of the blocks A and B include a unit derived from an α-ethylenically unsaturated monomer. <P>COPYRIGHT: (C)2007,JPO&INPIT |
