In the light these glitters look like regular glitters .
To activate the glow Hold the glitter under a bright light (or just sunlight) for a few minutes then go in a dark room or turn out the lights and they glow! Some of them glow as long as 12 hours after a charge up in light. No limit to how many times you can recharge and glow again.
Glitters are solvent resistant so can be used for all your nailart and craft needs choose colors from the drop down menu.