Patent ID: 8182828

Claim:
An oil-in-water emulsified milky skin cosmetic preparation comprising the following ingredient (a), ingredient (b) and ingredient (c), and having a viscosity at 25° C. of 10,000 mPa·s or less (Vismetron viscometer), ingredient (a): a copolymer of 2-acrylamide 2-methylpropanesulfonic acid or a salt thereof/polyoxyethylene alkyl ether methacrylate represented by the following formula (I): wherein each of m, n and p represents an average number of moles added, and m/n=4 to 99 and p represents an integer of 10 to 50; X + represents a proton, an alkaline metal cation, an alkaline-earth metal cation, ammonium ion, or an organic cation; R 1 represents a hydrogen atom, or a linear or branched alkyl group containing 5 to 40 carbon atoms; ingredient (b): acrylates/C 10 -C 30 alkyl acrylate crosspolymer; and ingredient (c): an alkylene oxide derivative represented by the following formula (II): R 2 O-[(AO) a (EO) b ]—R 3 (II) wherein AO represents an oxyalkylene group containing 3 or 4 carbon atoms; EO represents an oxyethylene group; each of a and b is an average number of moles added of the AO and EO, respectively, and 1≦a≦70 and 1≦b≦70; the percentage of EO to the sum of AO and EO [EO/(AO+EO)] is 20% to 80% by mass; and each of R 2 and R 3 independently represents an alkyl group containing 1 to 4 carbon atoms, wherein the composition comprises 0.005% to 2.0% by mass of the ingredient (a), 0.005% to 1.5% by mass of the ingredient (b), and 0.005% to 15.0% by mass of the ingredient (c).