Patent ID: 8182828
Filing Date: 2012-05-22
Classification: A61K

Abstract:
1. 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 ingredient (b): acrylates/C ingredient (c): an alkylene oxide derivative represented by the following formula (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