PROBLEM TO BE SOLVED: To provide an oil-in-water type emulsion composition in which a large amount of oil components useful for skin can be blended, moisture transpiration inhibitory effect is excellent, and its use feeling is excellent.SOLUTION: The oil/vesicle/water-type emulsion composition comprises the following components (A)-(D): (A) an amphiphilic material (B) one or more kinds selected from the group consisting of oil components with an IOB value of 0.2-0.54 and a melting point of 30°C or less (C) a polyhydric alcohol and (D) an aqueous component.COPYRIGHT: (C)2015,JPO&INPIT【課題】皮膚に有用な油分を多量に配合する事ができ、水分蒸散抑制効果に優れ、さらに使用感の良好な水中油型乳化組成物を提供する。【解決手段】下記成分(A)~(D)からなる油/ベシクル/水型乳化組成物。(A)両親媒性物質(B)IOB値が0.2~0.54で、融点が30℃以下の油分からなる群より選択される1種又は2種以上(C)多価アルコール(D)水性成分【選択図】図1