PROBLEM TO BE SOLVED: To provide a composition for producing a cosmetic product capable of producing a cosmetic product having excellent aging stability, etc., by a simple method, a cosmetic product and a method for producing a water-based cosmetic product.SOLUTION: The composition for producing a cosmetic product is composed of (a) a polyoxyalkylene-modified diorganopolysiloxane expressed by formula A(R1)2SiO{(R1)2SiO}m{(R1)(R2)SiO}nSi(R1)2A (R1 is a univalent hydrocarbon group or a univalent substituted hydrocarbon group (excluding the group corresponding to R2) R2 is a polyoxyalkylene group expressed by -R3-O-(C2H4O)a(C3H6O)bR4 A is a group selected from hydroxyl group, R1 and R2 1&lea&le50 0&leb&le50 10&lea+b 100&lem&le500 and 0&len&le40 provided that when n=0, at least one of multiple A groups is R2), (b) a surfactant and (c) an oily material. The invention further provides a composition for producing a cosmetic product containing (d) a physiologically permissible hydrophilic medium and (e) water in addition to the above components, a cosmetic product containing the components, an O/W-type emulsion cosmetic product and a method for producing a water-containing cosmetic product by mixing cosmetics production composition with water.COPYRIGHT: (C)2008,JPO&INPIT【課題】簡便な製法により経日安定性等に優れる化粧料を調製可能である化粧料製造用組成物、化粧料及び水性化粧料の製造方法の提供。【解決手段】(a)式:A(R1)2SiO{(R1)2SiO}m{(R1)(R2)SiO}nSi(R1)2Aで表されるポリオキシアルキレン変性ジオルガノポリシロキサン(R1:一価炭化水素基、一価置換炭化水素基(R2に該当するものを除く)、R2:式:-R3-O-(C2H4O)a(C3H6O)bR4で示されるポリオキシアルキレン基、A:水酸基、R1、R2から選択される基、1≦a≦50、0≦b≦50、10≦a+b、100≦m≦500、0≦n≦40。n=0の場合、Aの少なくとも一方はR2)、(b)界面活性剤及び(c)油剤からなる化粧料製造用組成物、更に(d)生理学的に許容できる親水性媒体、更に(e)水からなる該化粧料製造用組成物;それらを含有する化粧料、水中油型エマルジョン化粧料;該化粧料製造用組成物を水と混合することによる含水化粧料の製造方法。【選択図】なし