Purple: Water, Propylene Glycol, FD&C Red 3, Red 40, and Blue 1,  and Propylparaben (Preservative), Pink: Water, Propylene Glycol, FD&C 40, and Red 3, Propylparaben (Preservative), Blue: Water, Propylene Glycol, FD&C Blue 1, Propylparaben (Preservative), Green: Water, Propylene Glycol, FD&C Yellow 5, and Blue 1, Propylparaben (Preservative).