Subcision is a minor in-office surgical procedure that’s used to treat acne scars. It involves inserting a small needle into your skin to release the acne scar from the underlying tissue. This allows ...

Boxcar scars appear as craters in the skin and can develop as a result of acne or chickenpox. Treatments are available to reduce their appearance, such as dermarolling, microdermabrasion, and surgery.