Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
What Are the 3 Types of Acne Scars?
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
- Atrophic Scars
- Hypertrophic and Keloid Scars
- Post-Inflammatory Hyperpigmentation
- 9 Treatment Options
Acne, also called acne vulgaris, is a common skin problem seen among 11- to 30-year olds.
A scar is a mark left on the skin due to the formation of fibrous tissue during the process of healing. New collagen fiber is laid down to cure full-thickness skin damages.
The three types of acne scars include:
- Atrophic scars
- Hypertrophic and keloid scars
- Post-inflammatory hyperpigmentation
What are atrophic scars?
Atrophic scars appear as a depressed region on a person's skin that is often pitted. When the skin is unable to repair tissue properly, an atrophic scar is formed.
Atrophic scars are frequently created by collagen degradation due to inflammatory conditions, such as acne or chickenpox. Accidents, surgeries, and genetic illnesses can all result in scars.
Atrophic scars are subdivided into the following three types:
- Ice pick scar
