Researchers Develop Tattoo Inks Switchable by UV Light and Disappearing in Sunlight

Researchers have developed innovative tattoo inks that can be activated using ultraviolet light and made to disappear when exposed to sunlight. Tests indicate that the colors remain switchable on the skin for up to 2.2 years, potentially offering a less permanent and more flexible alternative to traditional tattoos. This advancement could reduce the need for painful and costly laser removal procedures.

Originally published by gnews