Subcision was found to have a mean improvement in acne scar appearance of 61.4%, followed by medium to deep chemical peels at 53.3% and ablative lasers at 49.5%.

Discover how stem cells may help reduce acne scars by boosting collagen, improving skin texture, and speeding up healing—plus what the research says.

The three main types of acne scars can dictate the approach to treatment.