... 3.Professional; 4.Widely use 5.Great service photochromic ink for nail polish Namephotochromic pigment ModelKW-PP1PackingInner Packing: PE PlasticOuter ... color .This process can repeat again and agianWeight1KGSApplicationCoating: suitable for all types of surface coating products, including PMMA paint, ... materials, including fabric, paper, synthetic film, glass, etc. photochromic ink for nail polish