Tattoo ink stays with you for life. Researchers are now asking how these pigments interact with the immune system and whether ...

John Swierk is an assistant professor of chemistry at Binghamton University, State University of New York. Tattoos are an incredibly common form of permanent self-expression that date back thousands ...

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 ...

Ink is sometimes made from products that were not manufactured for tattoos. Researchers are raising concerns about the quality of tattoo ink, saying the ink isn't always properly labeled and, in some ...

Share on Pinterest The overall risk of bacterial infection from being tattooed is low, but tighter regulations on tattoo ink could help prevent adverse events. Francesco Carta fotografo/Getty Images ...