image: Medical Daily

Tattoo ink that changes color could be used to monitor health

October 2, 2017

Scientists from Harvard Medical School and MIT have designed a tattoo ink that can monitor a person’s health by changing color to indicate dehydration or an increased blood sugar level, for example.

The technology, which combines biosensitive inks with conventional tattoo artistry, addresses the limitations of the wearable devices that are currently used to monitor health.

Postdoctoral fellow at Harvard, Ali Yetisen, says: “We were thinking: New technologies, what is the next generation after wearables? And so we came up with the idea that we could incorporate biosensors in the skin.”

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