This radium powder is made by non toxic material which makes it environmentally safe and easy to use. Radium powder can be used for painting art and craft projects transparent nail polish clear coating for decoration purpose. Mix Core Glow powder with clear resins, epoxies, paints, and lacquers to create your own glow designs. You can mix the powder directly into the medium or dust it over top. For application just mix 30% of our glow powder with 70% of clear resin than apply on any surface.It is green colour glow in dark pigment powder,it absorbs light and glows green in dark. This radium powder is going to be amazing it will glow in dark light and looks awesome.