PROBLEM TO BE SOLVED: To provide a water-in-oil emulsified sunscreen cosmetic having an unprecedented property that the ultraviolet protection effect is improved as compared with immediately after application by contact with water, sweat or the like, and also having excellent usability and cleanability. Offer. SOLUTION: (A) 6 to 40% by mass of an ultraviolet protective agent, (B) an organically modified clay mineral, (C) 0.5 to 10% by mass of an oil phase thickener other than the above (B), and ( D) A silicone-based surfactant having an HLB of less than 8 is contained, and the mass of [total amount of component (B) and component (C)] / [total amount of non-volatile liquid oil other than (E) silicone oil] A water-in-oil emulsified sunscreen cosmetic having a ratio of 0.04 or more and less than 0.68. [Selection diagram] None【課題】水や汗等との接触により塗布した直後よりも紫外線防御効果が向上するという従来にない特性を有し、なおかつ使用感や洗浄性にも優れた油中水型乳化日焼け止め化粧料の提供。【解決手段】(A)6~40質量%の紫外線防御剤、(B)有機変性粘土鉱物、(C)0.5~10質量%の前記(B)以外の油相増粘剤、及び(D)HLBが8未満のシリコーン系界面活性剤を含有し、[(B)成分と(C)成分との合計量]/[(E)シリコーン油以外の不揮発性液状油分の合計量]の質量比が0.04以上0.68未満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。【選択図】なし