Glowminex Yellow Glow Pigment is formulated to bring you maximum brightness! It is non-toxic and non-radioactive and can be repeated indefinitely. The pigment is yellow and will glow neon yellow at night. This pigment is perfect for making glow in the dark paints, glow wall murals and pictures, glow candles, and so much more. Each pack contains 1 ounce of yellow glow pigment. For safety, do not use on your skin/hair.