PROBLEM TO BE SOLVED: To positively improve adhesion to a nail surface in a manicure preparation composition, and also achieve improvements in the removal of an oil content on the nail surface and wettability.SOLUTION: A manicure preparation composition contains phosphoester (meth)acrylate and is free from photopolymerization initiator.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】美爪料組成物において、より積極的に爪表面との密着性を向上させ、さらに爪表面の油分の除去や、濡れ性を向上させること。【解決手段】リン酸エステル系(メタ)アクリレートを含有し、光重合開始剤を含有しない美爪料組成物。【選択図】なし