Is this tattoo studio safe? A hygiene and licensing checklist

A tattoo breaks the skin, so hygiene is the most important factor in avoiding infection. You don't need to be an expert to judge it: most of what matters happens in front of you during set-up.

By the Double Down Tattoo editorial team · First published 19 July 2026 · Last reviewed and rewritten 11 October 2026 · Sources

What you should be able to see

What the real risks are

Bloodborne infections. The NHS lists tattoos done with unsterilised equipment as a way hepatitis B can spread, and advises getting tattoos only from licensed premises to reduce the risk of hepatitis C. Mayo Clinic lists these alongside other bloodborne diseases when equipment is contaminated. This is why single-use needles and proper sterilisation are not optional.

Skin infections. Bacteria can get into the wound during or after tattooing. Clean technique in the studio and clean aftercare at home both matter. See which signs mean you should see a doctor.

Contaminated ink. The U.S. FDA warns that tattoo inks can be contaminated with bacteria or mould even when the container is sealed, and that no pigment is FDA-approved for injection into the skin. A reputable studio buys from known suppliers and pours ink into single-use caps.

Allergic reactions can appear at the time or much later. Red pigment is the colour most often involved (Mayo Clinic).

MRI. Rarely, tattoos can cause swelling or burning during an MRI scan (Mayo Clinic). Mention your tattoos to the radiographer; this is not a reason to avoid a scan.

Licensing and age rules by country

Your side of the safety deal

• Fill in the health and consent form honestly, including allergies, skin conditions, medicines (especially anything affecting bleeding or immunity) and pregnancy.
• Don't get tattooed over broken, sunburned, infected or irritated skin. Reschedule instead.
• Don't tattoo at home or go to unlicensed "scratchers". The training, sterilisation and accountability are missing.

If something goes wrong

Get medical advice first. Then tell the studio. In England and Wales you can also contact the council that registered the premises. In the US, contact your local health department, and report a suspected ink reaction to the FDA via MedWatch.