Neon paints are bright under normal light while fluorescing under blacklight. These Fluorescent Paints will create amazing effects under black light and hence are popular in bowling alleys or parties where neon lights are popular these days. 

Please note that Neon Paints of most brands are FDA approved for special FX use only on hair and nails, and not as cosmetic. However, independent tests have been done, according to which they have been safely used on skin. Neon Colors should not be used too close to eyes and lips and should not be left on skin for long