Three main types of acne scar are classified:
- Ice pick scar: This type of scar has vertical depth and measures less than 2mm wide
- Rolling scar: This type of scar has shallow borders and measures 4 to 5 mm wide.
- Boxcar Scar: This type of scar has sharply demarcated borders and 1.5 to 4mm wide.
Acne is not only trouble itself. After it disappears, it can also leave scars behind.
Acne scar is the textural change and volume loss as results of acne inflammation.