this non-toxic, Non-radioactive Strontium Aluminate is the safe next gen earth mineral that can last 10x longer than the previous glow in the dark zinc sulfide. this pigment is excellent in gel candles, crafts, nail polish, and can be used in soaps. (Works best in clear products). It is not approved for bath bombs, eye product, or lipsticks.
Please refer to the FDA website and regulations for proper use, and labeling when it comes to using Glow in the dark pigments.
Charge in daylight, under light bulbs, or for best results use a black light.