PROBLEM TO BE SOLVED: To obtain an aqueous manicure composition that is excellent in all of coating strength after application, adhesion and coating glossiness.SOLUTION: An aqueous manicure composition contains an acrylic resin emulsion that has a peak in a particle size distribution of 80 nm or less and also has a glass transition temperature of 20-45°C, and 1,2-octanediol of 0.15-15.00 wt.% relative to the solid content of the acrylic resin emulsion.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】塗布後の塗膜強度、付着性及び塗膜の光沢性が全て優れる水性美爪料組成物を得ること。【解決手段】粒子径分布が80nm以下においてピークを有し、かつガラス転移温度が20~45℃のアクリル樹脂系エマルジョンと、該アクリル樹脂系エマルジョンの固形分に対して1,2-オクタンジオールを0.15~15.00重量%含有する水性美爪料組成物。【選択図】なし