Photosensitive discoloration products will change colors from colorless to color under the Sunlight or UV light .And it will return to its original color when move away the Sunlight or UV light . The whole process is reversible .

1.Color available : Red,Yellow ,Blue ,Purple ,Orange,Skye-blue
2.Color changes form: from colorless to one of above colors
3.Color changes condistion : Sunlight or UV light
4.With many applications.Such as inks,paints,plastic, masterbatch,clothes,etc for all kinds of surface coating products.