You need to be a true Potterhead to see this secret 'marauder's map' tattoo
Some fans are taking inspiration from Harry Potter's Marauders map for glow-in-the-dark tattoos. The tattoos are done using UV (or black light) ink, which means they can only be seen properly when under UV lights.
18 Stunning Black-Light-Responsive Tattoos
18 Stunning Black-Light-Responsive Tattoos | Mental Floss Awesome! That's what I'm doing. Black light ink for my dark mark. Hell yeah.
Tattoos so simple and gorgeous we’re now super ready to get inked
Tattoos so simple and gorgeous we're now super ready to get inked - Page 3 of 3
How to Make Invisible Ink
12 Glow Tattoo Designs You May Like
Best UV Ink Tattoos – Our Top 10
30 Glow-In-The-Dark Tattoos That’ll Make You Turn Out The Lights