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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Tattoos are no longer taboo. One in every three Americans now has ...

Tattoo ink doesn’t just sit inertly in the skin. New research shows it moves rapidly into the lymphatic system, where it can persist for months, kill immune cells, and even disrupt how the body ...

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 ...