Sealed isn't the same as safe
The US FDA has found microorganisms in tattoo inks — including bottles that were unopened and sealed. Contaminated ink can cause infections, and the signs can look like an allergic reaction. That is why good handling matters as much as the bottle: ink poured into single-use caps for each client, never back into the bottle.
What regulators do
In the US, the FDA monitors tattoo inks and issues safety warnings and recalls, but it has not approved any pigment for injection into the skin. In the EU, since 4 January 2022, more than 4,000 substances are restricted in tattoo inks and permanent make-up under the REACH chemicals regulation.
Allergies
Allergic reactions to tattoo ink are uncommon, but they can appear within days or, rarely, months or years later — usually to one colour, most often red. If you get an itchy rash, blisters or raised bumps in a tattoo, stop your aftercare products and see a doctor or dermatologist.
Questions worth asking
- Which ink brands do you use, and are they made for tattooing?
- Is ink poured into single-use caps for each client?
- Do you keep the batch numbers, in case of a recall?
- Which colours would my design use?
General information, not medical advice. Your artist's instructions come first; for anything worrying, see a doctor.
Sources
- US FDA — Think before you ink: tattoo safety (Dec 2024)
- US FDA — Tattoos & permanent makeup: fact sheet (Oct 2024)
- Commission Regulation (EU) 2020/2081 — substances in tattoo inks (REACH Annex XVII, entry 75)
- American Academy of Dermatology — Tattoo skin reactions
- EADV Tattoos and Body Art Task Force — Tattoo allergy (2021)