To provide oil-in-water cosmetics having a good feeling in use and good water resistance while maintaining freshness.SOLUTION: A oil-in-water emulsion composition contains an emulsion particle (A) composed of (a1) an oil phase and (a2) an emulsifier, and an aqueous phase (B) in which dispersed is (b1) a core-corona micro gel with a hydrophilic group partially provided on the surface of a hydrophobic gel fine particle. The oil-in-water emulsion composition preferably further contains (C) a thickener and contains, in (a1) the oil phase, an ultraviolet absorber. There are also provided cosmetics composed of the oil-in-water emulsion composition.SELECTED DRAWING: None【課題】瑞々しさを維持しつつ、使用感及び耐水性に優れた水中油型化粧料の提供。【解決手段】(a1)油相及び(a2)乳化剤からなる乳化粒子(A)と、(b1)疎水性ゲル微粒子表面に部分的に親水基を設けたコア-コロナ型ミクロゲル、が分散している水相(B)、とを含む水中油型乳化組成物。好ましくは更に(C)増粘剤を含み、(a1)油相中に紫外線吸収剤を含む、水中油型乳化組成物。前記水中油型乳化組成物からなる化粧料。【選択図】なし