The present invention discloses a cosmetic polymer composition containing a straight-chain block copolymer, where the copolymer having a unit derived from a compound having an ethylenic unsaturated bond, having a number-average molecular weight of 1.0×10
3
to 1.0×10
6
, and having at least two or more glass transition points or melting points; a hair cosmetic polymer composition containing a copolymer a copolymer capable of forming a film having a Young's modulus of 50 MPa or larger and a fracture-point elongation of 100% or larger, and dispersible into water and/or alcohol; and a cosmetic material containing these compositions.
本发明揭示了一种化妆品聚合物组合物,其中包含一种直链嵌段共聚物,该共聚物具有从具有
乙烯不饱和键的化合物导出的单元,具有1.0×103至1.0×106的数均分子量,并且具有至少两个或更多的
玻璃转变点或熔点;一种头发化妆品聚合物组合物,其中包含一种共聚物,该共聚物能够形成具有50 MPa或更大的杨氏模量和100%或更大的断裂点延伸的膜,并且能够分散到
水和/或
酒精中;以及包含这些组合物的化妆品材料。