Acne Scars: Types, Causes, and Prevention Tips

Acne scars can be a challenging reminder of past skin issues, but understanding the different types and their causes can empower you to take preventative measures. Here's a quick breakdown of the different types:

1. Atrophic Scars:

Atrophic scars are characterized by a loss of tissue, resulting in depressions in the skin. They are the most common type of acne scars and come in several forms:

  • Ice Pick Scars: Deep, narrow scars resembling small punctures in the skin.
  • Boxcar Scars: Wider and shallower scars with a rectangular shape and steep edges.
  • Rolling Scars: Wavy scars that create an undulating effect on the skin's surface.

Causes: Atrophic scars occur when the skin does not produce enough collagen during the healing process of acne lesions.

Diagram illustrating three types of atrophic scars—icepick, boxcar, and rolling—with size measurements and collagen loss explanations.

2. Hypertrophic Scars:

Hypertrophic scars are raised and thickened due to an overproduction of collagen. They may appear red or darker than the surrounding skin.

Causes: These scars typically develop when the body produces too much collagen during healing. They are more common in individuals with darker skin tones.

Close-up of a person

3. Keloid Scars:

Keloid scars are similar to hypertrophic scars but extend beyond the original wound area. They can be raised, firm, and may continue to grow over time.

Causes: Keloids form due to excessive collagen production during healing and are often influenced by genetic predisposition.

Close-up of a person

Prevention & Self-Care Strategies

While some acne scars may be unavoidable, there are steps you can take to reduce your risk and promote healthier skin:

  1. Avoid Picking or Squeezing: Resist the urge to pick at acne lesions, as this can lead to increased inflammation and scarring.
  2. Keep Your Skin Clean: Regular cleansing can help remove excess oil and dirt, reducing the likelihood of breakouts and subsequent scars.
  3. Moisturize Regularly: Keeping your skin hydrated can support its healing process and improve overall texture.
  4. Protect Your Skin From The Sun: Use sunscreen daily to prevent further discoloration and damage to healing skin.

Your Next Steps

Acne scars can feel like a lasting reminder of past breakouts, but they don’t have to define your skin’s future. By understanding the different types of scars and what causes them, you can take proactive steps to support your skin’s healing process. From targeted skincare and lifestyle changes to professional treatments, there are many ways to reduce the appearance of scars and regain confidence in your complexion.


Remember, the journey to clear, healthy skin isn’t just about treating acne—it’s about taking care of your skin in a way that supports long-term health and radiance. If you’re looking for more expert-backed insights, practical skincare tips, and holistic approaches to acne care, sign up for my newsletter! You’ll get exclusive content straight to your inbox, helping you stay informed and empowered on your skincare journey.