H/T: Bored Panda
Black-light tattoos are made with a special ink only visible under an ultraviolet light, and depending upon the ink, they can be nearly invisible in non-UV environments. Therefore they are a popular consideration for people seeking a subtler tattoo, and are particularly popular in the raver subculture. Colored ink is also available, where the ink is visible in normal light (as with a regular tattoo) but the ink will glow vividly under UV light. However, some UV inks are not as bright under normal light as normal tattoo ink and are considered not as vibrant. Click here for a few bonus images. Continue reading to see them all.