Patent ID: 7955608

Claim:
An aqueous composition used for cosmetics, characterized in that the composition comprises 0.5 to 50 wt %, based on weight of the composition, of a copolymer having main chains comprising the repeating units represented by the following formula (1), the repeating units represented by the following formula (2), and the repeating units represented by the following formula (3), said main chains being crosslinked by a crosslinking agent, wherein R 1 is a hydrogen atom or a hydrocarbon group having 1 to 3 carbon atoms, R 2 is a hydrocarbon group having 1 to 24 carbon atoms, R 3 is a divalent hydrocarbon group having 1 to 4 carbon atoms, R 4 is an aliphatic hydrocarbon group having 1 to 6 carbon atoms or a phenyl group, X is a hydrogen atom, an alkaline metal ion, ammonium ion, or an organic ammonium ion, m of formula (3) is an integer of 10 to 500, and n is an integer of from 1 to 3 wherein the copolymer comprises 25 to 75 wt % of the repeating units represented by the above formula (1), 20 to 60 wt % of the repeating units represented by the above formula (2), 2 to 35 wt % of the repeating units represented by the above formula (3), and 0.05 to 4 wt % of the crosslinking agent, based on weight of the copolymer, and wherein the crosslinking agent is at least one selected from the group consisting of tris(2-(meth)acryloyloxyethyl) isocyanurate, trimethylolpropane tri(meth)acrylate, polyoxyalkylene di(meth)acrylate represented by the following formula (4), and polyorganosiloxane represented by the following formula (5) wherein R 1 , R 3 , and R 4 are as defined above, m of formula (5) is 0 to 500, R 5 is a divalent hydrocarbon group having 1 to 4 carbon atoms, R 6 is a hydrogen atom or a methyl group, and p is an integer of 1 to 50.