PROBLEM TO BE SOLVED: To provide aqueous manicure preparation cosmetics having excellent glossiness, adhesion, water resistance, peel resistance, and temporal stability, and also having advantages such that it is free from flammability and solvent odors.SOLUTION: The aqueous manicure cosmetics comprise: an alkyl acrylate copolymer water dispersion or emulsion having a specific glass-transition temperature Tg and a specific acid value a viscosity improver, an alkaline compound and/or a surfactant as a viscosity modifier a water dispersion as a pigment and a surface-treated pearl pigment.COPYRIGHT: (C)2015,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、溶剤臭がない等の長所を備えた水系美爪料化粧料を提供すること。【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化粧料。【選択図】なし