List Of 16 Things That Glow Under Black Light 2023. How fluorescence in rocks works There are many household items that can glow under black light, including toothpaste, laundry detergent, and highlighter ink.

Learn how black lights work and about uses for different types of black lights. Black light’s ultraviolet rays cause these compounds to react, casting them back quickly and producing the glow. A black light gives off highly energetic ultraviolet light.