This terrific pigment is used to make paint and other products glow in the dark. To make a super glowing paint, simply mix this non-toxic powder with Elmer's glue. The pigment can be activated by just about any light source including sunlight, fluorescent, incandescent, and ultraviolet light. Use our colored light sticks to demonstrate the pigment's greater sensitivity to blue light. Mix this glowing pigment 20-30% by weight to make the best phosphorescent paint. Read more on our Blog - Make Slime, Gak, and Oobleck | Gross Science Download the SDS of this product.