Glow in the dark paint utilises photoluminesence to glow without the use of black lights. Glow in the dark paint absorbs energy from light sources, then stores it and gradually uses the energy by producing light. Glow In the Dark Paint will glow in complete darkness. Glow In The Dark paint works best in very dark environments - however it will glow very brightly under UV light aswell (similar to UV Paint). It is useful for safety situations, parties, dress up's, and stage make up!