... control,the pen is good for filling nail cuticle oil or nail nutrition, nail art paint polish oil Detailed Description: 4.5ml cuticle ... be applied for the filling all kinds of nail polish oil, such as the cuticle nail oil, nail paint nutrition oil, etc.5 ... strong leak resistant function for the all kinds of nail oil filling. TM-LG765A, 4.5ml nail polish oil pen for filling cuticle oil, nutrition oil