This tattoo ink changes color when blood sugar levels rise or fall, so people with diabetes can monitor in real time. The post had been shared more than 300,000 times as of 28 June 2017, ...

The first examples of color-changing nanotech tattoos have been developed over the past few years, and they’re not just for body art. They have a biomedical purpose.

A person applying the color-changing tattoo, and a color chart for the medical-alerting tattoo. Ali Yetisen et al. Soon, tattoos won’t just show how cool you are — they’ll also show how ...

The rule is one tattoo per person, and designs can be chosen from the multiple flash sheets choices at Endless Kreations. Tattoos, as drawn originally, will cost $100. If color is requested, the ...