Will laser tattoo removal leave scars?

Mar 22, 2025 Source: Cainiu Health
Disease description:

I am 20 years old this year. When I was younger, I got a tattoo without thinking it through, and now I want to remove it. I would like to know whether laser tattoo removal will leave scars.

Doctor's answer (1)
Dr. Chen Lu

In general, laser tattoo removal does not leave scars, but whether or not scarring occurs depends on multiple factors.

If the physician operating the laser is experienced and technically proficient, accurately controlling parameters such as laser energy and frequency to avoid damage to the deep dermis, the skin can largely return to normal after tattoo removal without leaving a scar. Laser tattoo removal typically achieves better results for tattoos that are light-colored and small in area, with minimal risk of scarring after skin recovery.

If the tattoo is very dark or covers a large area, higher laser energy or multiple treatment sessions may be required for complete removal. This increases the risk of skin damage and may lead to scar formation. Each individual's skin healing capacity and response to laser treatment vary. Some people may have a scar-prone constitution, and even with proper laser operation, excessive tissue growth during the healing process might result in scarring. Improper post-treatment care, such as infection at the treated area, may interfere with the normal healing process and lead to excessive tissue repair, thereby increasing the likelihood of scarring.

To reduce the risk of scarring, patients are advised to choose reputable medical facilities and experienced practitioners for laser tattoo removal, and to strictly follow the physician's post-treatment care instructions. Additionally, patients should have a thorough understanding of both the effectiveness and potential risks of laser tattoo removal in order to make an informed decision.