Treatment explained
Acne scar treatment: how subcision frees a depressed scar
In acne scar treatment, subcision uses a needle to release fibrous bands beneath a depressed scar.
Film guide (1–10)
What the numbers show
- 1. Cheek · example area with depressed scars
- 2. Needle entry beside the scar
- 3. Needle
- 4. Epidermis
- 5. Dermis
- 6. Subcutaneous fat
- 7. Muscle layer
- 8. Fibrous band (schematic)
- 9. Released band, enlarged
- 10. Deeper tissue
In the film
- The needle enters beneath the skin beside the scar.
- After it is advanced almost parallel to the skin, it is moved in a fan beneath the scar.
- Fibrous bands pull the scar downward.
- The needle cuts these bands to release them.