PROBLEM TO BE SOLVED: To provide a photo-curing nail gel composition which can be removed by stripping treatment and comprises a polyurethane (meth)acrylate resin, a diluent, a photo-initiator, a surface curing accelerating agent and a filler.SOLUTION: There is provided a photo-curing nail gel composition which comprises a polyurethane (meth)acrylate resin having an elongation of 200% to 700%, a diluent such as a monofunctional monomer and a difunctional monomer, a photo-initiator such as camphorquinone (CQ), a surface curing accelerating agent such as a thiol resin and a filler such as nitrocellulose, where the content of the polyurethane (meth)acrylate resin is 50 to 80 wt.%, the contents of the monofunctional monomer and the difunctional monomer are 1 to 30 wt.%, respectively, the content of the photo-initiator is 1 to 10 wt.%, the content of the surface curing accelerating agent is 1 to 10 wt.% and the content of the filler is 1 to 10 wt.%, based on the total weight of the photo-curing nail gel composition.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】ストリッピング処置により除去可能である、ポリウレタン（メタ）アクリレート樹脂、希釈剤、光開始剤、表面硬化促進剤及び充填剤を含む、光硬化ネイルジェル組成物の提供。【解決手段】樹脂伸び率が200%～700%であるポリウレタン（メタ）アクリレート樹脂、単官能性モノマー、及び二官能性モノマー等の希釈剤、カンファーキノン（CQ）等の光開始剤、チオール樹脂等の表面硬化促進剤、及びニトロセルロース等の充填剤を含み、光硬化ネイルジェル組成物の総重量に基づく、ポリウレタン（メタ）アクリレート樹脂の含有量は50～80重量%であり、単官能性モノマー、及び二官能性モノマー等の含有量はそれぞれ1～30重量%であり、光開始剤の含有量は1～10重量%であり、表面硬化促進剤の含有量は1～10重量%であり、そして充填剤の含有量は1～10重量%である、光硬化ネイルジェル組成物。【選択図】なし
