Laser tattoo removal: how it works, the risks, and its limits
Laser is the main way to remove a tattoo, and it works by gradually fading the ink rather than erasing it in one go. Here is what to expect, based on the U.S. FDA's consumer guidance.
How laser removal works
A laser delivers very short pulses of light that the ink absorbs, breaking it into smaller particles. The body's immune system then clears those particles gradually, which is why a tattoo fades between sessions rather than disappearing on the day. The FDA says the procedure should be performed by, or under the supervision of, a healthcare professional.
Why it takes many sessions
Each treatment fades only part of the ink, and the skin needs to recover before the next. The FDA describes removal as usually needing multiple treatments spaced weeks apart. Your clinic will set the interval. How many sessions you need depends on factors such as ink colour and amount, depth, age of the tattoo, and your skin. A clinic that guarantees an exact number before seeing you is overpromising.
Why colour matters
According to the FDA, black and dark blue are typically the easiest to remove; green, red and yellow are among the hardest; and white and flesh-toned inks (common in cosmetic tattoos) can darken when treated. A clinic should test a small area with these colours first.
Risks and limits
- Complete removal isn't always possible (FDA). Some ghosting can remain.
- Possible side effects include scarring, infection, and skin that ends up lighter or darker than the surrounding skin (FDA).
- Blistering, swelling and scabbing after a session are common. Follow the clinic's aftercare, which is similar to new-tattoo care: keep it clean and out of the sun, and don't pick.
Avoid DIY removal
The FDA notes that do-it-yourself tattoo removal creams and ointments are not FDA-approved and can cause reactions such as rashes, burns and scarring. Home laser devices and acid-based methods carry similar risks.
Choosing a clinic: questions to ask
- Who performs the treatment, and what medical supervision is in place?
- Which lasers do you use for my ink colours, and will you do a test spot?
- How do you price it: per session, per area, or as a package? What happens if I need more sessions?
- What aftercare do you give, and who do I contact if something goes wrong?
Alternatives
If you want a different tattoo in the same place, rather than clear skin, a cover-up, possibly after a few lightening sessions, may suit you better. Surgical excision is sometimes used for small tattoos. Discuss it with a dermatologist or surgeon.
After a session: when to call a doctor
Follow the clinic's aftercare. Contact the clinic or a doctor promptly if you notice signs of infection (spreading redness, increasing pain, pus, fever) or blistering that worsens rather than settles.
Sources
Checked against the originals on 11 October 2026. If one of these sources is updated and our summary no longer matches, please tell us.
- U.S. Food and Drug Administration. Tattoo Removal: Options and Results. FDA Consumer Update, 2025-02-10. US
- U.S. Food and Drug Administration. Think Before You Ink: Tattoo Safety. FDA Consumer Update, 2025-02-07. US