BASIC INTERACTIVE IMAGE

"A permanent mark or design made on the skin by a process of pricking and ingraining an indelible pigment or by raising scars." The Free Dictionary

What's the least healthiest tattoo ink?

1. Black
2. Blue/Green
3. Orange
4. Yellow
5. White
6. Red

Most safe -> Least safe

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Cinnabar (HgS) Cadmium Red (CdSe) Iron Oxide (Fe2O3) Napthol-AS pigment

The main problem with red tattoo ink is that it has the most allergic reactions and just reactions in general to it. The reason is the Cadmiuim in it. (There has also been other read a tattoo inks that have been found to have mercury or iron oxide in them.)