Our general-purpose invisible UV ink goes on invisible and glows blazing bright blue in UV blacklight. Alcohol based and designed to dry fast; this ink is ideal for a variety of security purposes as well as casual fun use. Won't gum up and become sticky like traditional marking inks. Great for admissions, discreet identification, secret messages and glow parties, our invisible blacklight glowing ink is an all-in-one solution. Works with any rubber stamp, dry stamp pad, brush on or any other practical application method. Our special blend ink is proudly made right here in the USA! Best viewed in low light, our ink is skin safe when used as directed. Does not wash off easily and very tough to remove. Works best on porous surfaces. Not for printers or tattoos! Ultraviolet light required. Does not glow in the dark on its own. Nontransferable, making it ideal for application to an already printed surface. Check for authentic returns, identify a thief, doodle invisible UV responsive designs on your skin, create unique art, use with escape rooms and so much more! We have a fine selection of other invisible UV inks, markers, blacklight keychains, Ultraviolet flashlights, stamp pads, rubber stamps and combination kits in our store. Whether you just need the basics, or a full-on comprehensive set up we have what you've been looking for!