PROBLEM TO BE SOLVED: To provide an aqueous manicure preparation that has excellent glossiness, adhesion, water resistance, peel resistance and temporal stability, is free from flammability and solvent odors, and can be easily dissolved and removed with a soap.SOLUTION: An aqueous manicure preparation comprises: an alkyl acrylate copolymer water dispersion or emulsion having a specific glass transition temperature Tg and a specific acid value and a thickener and/or an alkaline compound and/or a surfactant as a viscosity modifier, and further comprises a water dispersion as a pigment, and a pearl pigment subjected to surface treatment.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】光沢、密着性、耐水性、耐剥離性、経時安定性に優れ、しかも引火性、溶剤臭がなく、石鹸で容易に溶解し、落とすことができる水系美爪料を提供すること。【解決手段】特定のガラス転移温度Tgと酸価を有するアクリル酸アルキル共重合体水分散体またはエマルション、粘度調整剤として、増粘剤または/かつアルカリ性化合物または/かつ界面活性剤、さらに顔料として水分散体、さらに表面処理されたパール顔料を含有する水系美爪料。【選択図】なし