Exposing what’s in tattoo ink - Although many azo pigments do not cause health concerns when they are chemically intact, bacteria or ultraviolet light can degrade them into another nitrogen-based compound that is a potential carcinogen, according to the Joint Research Centre

submitted by /u/magenta_placenta [link] [comments]

source https://www.reddit.com/r/Health/comments/wyf152/exposing_whats_in_tattoo_ink_although_many_azo/