The Best Detergent Black Light Ideas. Web what laundry detergent glows under black light? White paper, paint and fabrics are treated with fluorescent additives to make them brighter.
Learn how black lights work and about uses for different types of black lights. Run another rinse cycle and then take a look :) and try using rit fabric whitner & brightner under a black light. Black lights cause everyday objects to glow in the dark.
