If you hear someone talking about a “tattoo sleeve,” you’d probably think of the densely packed versions that basically cover the arm completely with ink (and look like, well, a sleeve). Those are a ...

Tattoos have long been a way for people to express their personal style, beliefs, and creativity. However, the commitment to permanent ink can be daunting for some, leading many to seek alternatives ...

This tattoo-like sticker, which can be printed in a variety of designs, detects the presence of a drug often used to “spike” drinks — the letters turn red when exposed to it. Temporary tattoos aren’t ...

Temporary tattoos aren't just for kids anymore - semi-permanent versions have become a favorite among adults who don't want the commitment of the real thing. Now, researchers reporting in ACS Sensors ...