PROBLEM TO BE SOLVED: To provide a skin cosmetic that spreads well on the skin, has a rich texture at use, hardly gives any sticky feeling, offers an excellent, persistent moisturizing effect and imparts elasticity to the skin.SOLUTION: The skin cosmetic contains (a) 10-30 mass% glycerin derivative represented by formula I, Gly-[O{(PO)x(EO)y}-(BO)zH]3 (wherein Gly represents a residue that remains after removing hydroxyl groups from glycerin PO represents an oxypropylene group EO represents an oxyethylene group BO represents an oxybutylene group and x, y and z each represent numbers of PO, EO and BO moles added, respectively, provided that x+y is 1-30, z is 1-5 and mass ratio (PO/EO) of PO to EO is from 1/5 to 5/1), (b) 1-10 mass% polyethylene glycol having an average molecular weight of 1,000-5,000 and (c) 1-5 mass% polyethylene glycol having an average molecular weight of 10,000-50,000.COPYRIGHT: (C)2013,JPO&INPIT【課題】肌上でののびが良く、リッチな使用感を有し、べたつき感を感じ難く、優れた保湿効果の持続性、肌にハリを与える効果を有する皮膚化粧料の提供。【解決手段】(a)式Iで示されるグリセリン誘導体を10~30質量%、(b)平均分子量1000~5000のポリエチレングリコールを1~10質量%、および(c)平均分子量10000~50000のポリエチレングリコールを1~5質量%含有する皮膚化粧料。Gly-[O{(PO)x(EO)y}-(BO)zH]3 (式I)(式中、Glyはグリセリンから水酸基を除いた残基、POはオキシプロピレン基、EOはオキシエチレン基、BOはオキシブチレン基であり、x、yおよびzはそれぞれPO、EOおよびBOの付加モル数であって、x+yは1~30の値、zは1~5の値であり、POとEOとの質量比PO/EOは1/5~5/1である。)【選択図】なし
