What's in that tattoo ink? Don't panic, but be careful before getting that sleeve

Chicago Sun Times

Lean Left

High Factuality

What's in that tattoo ink? Don't panic, but be careful before getting that sleeve

A woman observes the tattooed body of a man during the “Pura Tinta Fest” in San Jose, Costa Rica, March 2, 2024. Ezequiel Becerra/Getty Tattoos are an incredibly common form of permanent self-expression that date back thousands of years. Most tattoo artists follow strict health and sanitation regulations, so you might assume that tattoo inks are carefully regulated, too.But as work done by my team of chemistry researchers suggests, up to 90% of…