When acne heals, sometimes fibrous tissue forms beneath the skin and pulls down the surface, creating depressed scars like rolling or boxcar indentations. In these cases, subcision can be the best acne scar treatment because it addresses the root cause — not just surface appearance. During subcision, a dermatology professional inserts a fine needle under the scar to carefully cut the tethering bands that pull the skin inward.

Once those bands are released, the skin is freed to rise, and the body begins producing new collagen naturally. Over weeks to months, this healing‑and‑collagen response helps lift the depressed scar gradually, leading to smoother, flatter skin.

Subcision is often combined with other treatments like microneedling, fillers, or laser resurfacing — to maximize results: releasing the scar from underneath, stimulating collagen, and improving skin texture all at once.

If you’re struggling with stubborn rolling or boxcar scars, visiting a reputable acne‑scar center for subcision might offer the most effective path toward visible, long‑lasting improvement.