![](https://media.npr.org/assets/img/2021/02/12/tattoo-ink-ban2_wide-b152960daa651e29b60edf485f09cc9f0b5d57d5.jpg?s=600)
thc420hemp • February 13, 2021, 10:00 am
Tattoo artists are unhappy about a new ban on blue and green pigments in Europe, while scientists say the basic science of tattoo ink is still fairly mysterious.(Image credit: Joel Saget/AFP via…