Scientists have developed a new type of tattoo ink that incorporates dye-filled polymer nanoparticles, allowing for vibrant, multicolored designs that glow under ultraviolet light but fade when exposed to normal lighting. Unlike traditional tattoos, these inks rely on light-reactive properties to create their effects, though their long-term safety has not yet been established. The innovation could revolutionize body art by offering temporary, customizable patterns without permanent ink. Researchers emphasize that further testing is needed before widespread use.
New tattoo inks use dye-filled polymer nanoparticles to create multicolored designs that appear under UV light and disappear with visible light. Safety remains unproven.