Moodie spent nearly three hours coloring in her man’s tattoos with markers. Jam Press Vid/@moodie.maggie Sousa spent over $125,000 on his ink. Jam Press Vid/@moodie.maggie ...

To better understand how tattoo ink is absorbed by dark skin over time, Gresham offers a simple paper test. You can use a marker on a brown sheet of paper to see how the paper will absorb the color.

This article is more than 5 years old. Scientists in Germany have developed three different tattoo dyes that change color based on the levels of certain health markers in the blood.

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. Imagine a tattoo that alerts ...

A tattoo parlour that offers free designs in markers for kids has divided parents. Some love the idea of kids getting something designed to look like real ink but others say it’s ‘a gateway to ...

For the study, 24 volunteers received a tattoo of their choice. The tattooing was carried out under laboratory conditions in facilities of the Charité hospital in Berlin by professional tattooists.