PROBLEM TO BE SOLVED: To provide oil-in-water type foundation having excellent feeling of use, such as moist feeling of skin after use and smoothness in adhesiveness, and having excellent persistence of a cosmetic film in foundation used at the same time.SOLUTION: The oil-in-water type foundation contains: (a) dextrin fatty acid ester, namely an esterified product of dextrin and a fatty acid, where a mean degree of polymerization of glucose in dextrin is 3 to 150, the fatty acid contains one kind or not less than two kinds of branched saturated fatty acids having a carbon number of 4-26 by more than 50 mol% and not more than 100 mol% for the total fatty acid and one type or not less than two types selected from a group comprising a linear saturated fatty acid having a carbon number of 2-22, a linear or branched unsaturated fatty acid having a carbon number of 6-30, and a cyclic saturated or unsaturated fatty acid having a carbon number of 6-30 by not less than 0 mol% and less than 50 mol% to the entire fatty acid, and a degree of substitution of the fatty acid per glucose unit is 1.0 to 3.0 and (b) an oil solution.COPYRIGHT: (C)2012,JPO&INPIT【課題】後肌のしっとり感、止まりの滑らかさ等の使用感に優れ、且つ、併用するファンデーションの化粧膜持続性に優れる水中油型下地化粧料の提供。【解決手段】次の成分(a)及び(b);(a)デキストリンと脂肪酸とのエステル化物であって、デキストリンのグルコースの平均重合度が3~150であり、脂肪酸が炭素数4~26の分岐飽和脂肪酸の1種又は2種以上を全脂肪酸に対して50mol%より多く100mol%以下、及び、炭素数2~22の直鎖飽和脂肪酸、炭素数6~30の直鎖又は分岐の不飽和脂肪酸及び炭素数6~30の環状の飽和又は不飽和脂肪酸よりなる群から選ばれる1種又は2種以上を全脂肪酸に対して0mol%以上50mol%未満を含有し、グルコース単位当たりの脂肪酸の置換度が1.0~3.0であるデキストリン脂肪酸エステルと、(b)油剤を含有する水中油型下地化粧料。【選択図】なし
