How to Prevent Acne Scarring: The Most Important Steps You Can Take

How to Prevent Acne Scarring: The Most Important Steps You Can Take

When it comes to acne, preventing scars is far easier than trying to improve them later. Once true acne scars have formed, they represent lasting changes in the skin's texture, making prevention one of the most important goals of acne treatment.

The reassuring news is that while not every scar can be prevented, there are evidence-based steps that can significantly reduce the risk. The earlier inflammatory acne is brought under control, the better the chances of protecting your skin from permanent textural changes.

Why does acne leave scars?

Acne scars develop when inflammation extends into the deeper layers of the skin.

As the body repairs this damage, the healing process may not completely restore the skin's original structure. Instead, collagen is either lost or produced in excess, resulting in pitted or raised scars.

The greater the inflammation and the longer it persists, the greater the likelihood of permanent scarring.

This is why deep inflammatory acne deserves prompt attention rather than a wait-and-see approach.

Treat active acne early

The single most effective way to prevent acne scars is to treat active acne as early as possible.

Inflamed spots, particularly cysts and nodules, have the greatest potential to damage the deeper layers of the skin.

Reducing inflammation early means there is less opportunity for permanent structural changes to develop.

If your acne is becoming:

  • Deep.
  • Painful.
  • Persistent.
  • Increasing in severity.

it is worth seeking assessment before scarring has the chance to develop.

Avoid picking and squeezing spots

One of the biggest contributors to acne scarring is picking.

Although squeezing a spot may seem like it speeds up healing, it often pushes inflammation deeper into the skin, increasing tissue damage and prolonging recovery.

Picking can also increase the likelihood of:

  • Post-Inflammatory Hyperpigmentation (PIH).
  • Post-Inflammatory Erythema (PIE).
  • Permanent pitted scars.
  • Delayed healing.

Leaving spots alone gives your skin the best opportunity to heal naturally.

Keep your skincare routine gentle

Aggressive skincare rarely improves acne and often makes inflammation worse.

Instead, focus on consistency.

A healthy routine should include:

  • Gentle cleansing.
  • Regular moisturising.
  • Daily sunscreen.
  • Avoiding harsh scrubs or excessive exfoliation.

Supporting your skin barrier helps reduce irritation while allowing the skin to heal more effectively.

Wear sunscreen every day

Daily sun protection plays an important role in skin healing.

While sunscreen cannot prevent structural scars from forming, it helps:

  • Protect healing skin.
  • Reduce post-acne pigmentation.
  • Prevent existing marks from becoming darker.
  • Support overall skin recovery.

Broad-spectrum sunscreen should form part of every acne skincare routine.

Know when to seek professional assessment

Some acne carries a much higher risk of permanent scarring.

You should consider assessment if you have:

  • Deep cystic acne.
  • Nodular acne.
  • Painful inflammatory acne.
  • Early signs of pitted scars.
  • Acne that is not improving.

The window to prevent scarring exists while acne is still active.

Acting early is one of the most valuable things you can do for your skin's long-term health.

Frequently Asked Questions

What is the best way to prevent acne scars?

The most effective approach is to treat inflammatory acne early and avoid picking or squeezing spots before deeper skin damage occurs.

Does picking really cause scars?

Yes. Picking pushes inflammation deeper into the skin, damages surrounding tissue and significantly increases the likelihood of permanent scarring.

Can sunscreen prevent acne scars?

Sunscreen helps protect healing skin and prevents post-acne pigmentation from worsening. While it doesn't prevent structural scars directly, it supports healthy skin recovery.

Which types of acne are most likely to scar?

Deep inflammatory acne, including cystic and nodular acne, carries the highest risk of permanent scarring.

When should I seek professional advice?

If your acne is deep, painful, persistent or beginning to leave changes in skin texture, early assessment can help reduce the risk of additional permanent scars.

Reviewed by Dr Tara Treacy, GP with a special interest in dermatology (IMC 411337).

Last reviewed: 16/07/2026.

General information only. It does not replace an individual medical assessment.