Lichthärtender Nagellack enthaltend ein lichthärtendes Urethanmethacrylat mit einem Gewichtsanteil von 50 bis 90% der Gesamtmasse und ein Fließmittel mit einem Gewichtsanteil von 3 bis 11% der Gesamtmasse.Light-curing nail polish comprises a light-curing urethane methacrylate in an amount of 50-90 wt.% and a flowing agent in an amount of 3-11 wt.%. Independent claims are included for: (1) a light-curing modeling gel for producing an artificial nail, comprising a light-curing urethane methacrylate in an amount of 50-98 wt.% and a consistency regulator in an amount of 0.5-2.5 wt.% (2) the application of the nail polish, comprising providing at least one two-layer application consisting of a light-cured clear coat and an overlying light-curable color coat, where the two paint layers comprise at least 50 wt.% of urethane methacrylate and (3) paint application obtainable by the process.