PROBLEM TO BE SOLVED: To provide an aqueous manicure composition including a plate-like pigment, in which when the composition is filled in a direct liquid pen-shaped container, formation of hard cake under time-lapse conditions is prevented, and redispersion of the plate-like pigment can be improved.SOLUTION: The aqueous manicure composition includes water and 3 to 20 mass% of the plate-like pigment having at least a water insoluble substance coated on its surface.COPYRIGHT: (C)2013,JPO&INPIT【課題】水性美爪料組成物に板状顔料を使用し、直液式のペン型容器などに充填したとき、経時的な条件でハードケーキ化を防止し、板状顔料の再分散性を向上させることができる水性美爪料組成物を提供する。【解決手段】少なくとも水不溶性物質を表面に被覆された板状顔料を3~20質量%と、水を含有することを特徴とする水性美爪料組成物。【選択図】なし