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 healthy you ...

For years, tattoo enthusiasts and medical professionals alike have focused on general tattoo aftercare and hygiene. While those are undoubtedly vital, new insights are emerging regarding the very ...

(CNN) — If you clicked on this story, you likely either have or are thinking about getting some ink. It might be your first embellishment (in tattoo-speak, you're a tenderfoot), or maybe it's your ...

Scientists in Germany have developed an intradermal tattoo that changes color in response to fluctuations in glucose, albumin, and pH levels. Tests on animal skin have shown that the tattoos ...

If you're thinking of getting a tattoo beware of a certain ink colour that may contain chemicals linked to cancer. Last year the alarming results of a new Swedish study suggested that tattoos could ...

As growing numbers of people rue the tattoos they got in their youth, a new study has found that tattoo removal is less likely to succeed if the person is a smoker, the design contains colors such as ...

A tattoo artist is making waves because of how far he's been willing to go in order to express himself. Eli Ink, a 27-year-old from Brighton, England, has spent the past 10 years covering his body ...

Depending on its color, a carnation can symbolize anything from gratitude (pink) to love and affection (red). It’s no wonder the floral makes for such a popular tattoo design for ink lovers.

Already a member? Sign in here. We rely on readers like you to fund our journalism. If you value our coverage and want to support more of it, please join us as a member. For thousands of years, ...