PROBLEM TO BE SOLVED: To provide a water-in-oil emulsified sunscreen cosmetic which contains (a) dimethyldiethylbenzalmalonate and (b) phenylbenzimidazole sulfonic acid, does not cause the crystallization of the phenylbenzimidazole sulfonic acid, and is extremely stable with the passage of time.SOLUTION: Provided is the water-in-oil type emulsified sunscreen cosmetic characterized by comprising 0.1 to 10 mass% of (a) the dimethyldiethylbenzalmalonate, 0.02 to 8 mass% of (b) the phenylbenzimidazole sulfonic acid, and (c) an neutralizing agent for the component (b), and having a water phase in an amount of &le40 mass%.COPYRIGHT: (C)2009,JPO&INPIT【課題】(a)ジメチルジエチルベンザルマロネートと(b)フェニルベンズイミダゾールスルホン酸とを配合する油中水型乳化日焼け止め化粧料において、フェニルベンズイミダゾールスルホン酸が結晶化せず、経時で極めて安定な油中水型乳化日焼け止め化粧料を提供すること。【解決手段】本発明は、(a)ジメチルジエチルベンザルマロネートを0.1~10質量%、(b)フェニルベンズイミダゾールスルホン酸を0.02~8質量%、(c)前記(b)成分の中和剤を含有し、かつ、水相が40質量%以下であることを特徴とする油中水型乳化日焼け止め化粧料である。【選択図】なし
