Microneedling or Laser Resurfacing: What’s More Effective for Acne Scars?

Acne scars can feel like a stubborn reminder of a skin condition you’ve long since left behind – and one that was pretty unpleasant, we’d all rather forget. Even when your breakouts are under control, pitted marks, uneven texture, and pigmentation can affect how you feel about your skin — and, in turn, your confidence.

While no treatment can completely erase acne scars, the right approach can make a dramatic difference to skin texture, tone, and overall smoothness. Two of the most popular treatments for acne scarring are microneedling and laser resurfacing — but which is more effective for you?

Microneedling works by creating thousands of controlled micro-injuries in the skin using fine needles. This stimulates your body’s natural wound-healing process, triggering the production of collagen and elastin — the key building blocks of healthy, smooth skin.

It can be effective for superficial textural irregularities and newer scars, and can be used on most skin tones with minimal downtime.

Pros of Microneedling:

• Stimulates natural collagen production
• Minimal downtime compared to aggressive resurfacing
• Can be repeated at intervals for progressive improvement

Cons of Microneedling:

• Less effective for deep or severe scars
• Multiple sessions needed for best results
• Results develop gradually over several months

Laser resurfacing uses concentrated light energy to remove damaged layers of skin and remodel collagen beneath the surface. It can treat a wide variety of acne scars, but is particularly effective for more significant scar types and complex mixed patterns that involve both texture and pigmentation.

At McKeown Medical, we offer a full suite of advanced laser technologies so we can match the treatment to your exact skin concerns:

• Full Laser Resurfacing – Comprehensive resurfacing for significant texture changes and deep scars.
• ProFractional Laser – Targets only a fraction of the skin surface at a time, reducing downtime while stimulating deep collagen renewal.
• HALO – Combines ablative and non-ablative wavelengths for a balance of resurfacing and minimal recovery.
• BBL® – Uses broadband light to target pigmentation and redness often left behind by acne.

Pros of Laser Resurfacing:

• Can significantly improve deep and complex scars
• Precise targeting of different scars
• Provides heat as well as the mechanical injury, which is more effective in stimulating collegen
• Fewer sessions needed compared to microneedling
• Can also improve pigmentation and overall skin tone

Cons of Laser Resurfacing:

• More downtime than microneedling (varies by treatment type)
• Higher upfront cost per session
• Not always suitable for very dark skin tones — requires expert assessment

Acne scars are as individual as fingerprints — no two people have exactly the same pattern, depth, or distribution. For that reason, there is no universal “best” treatment.

In many cases, combining different laser resurfacing techniques delivers the best results: different laser types can often be combined in the same session to deliver maximum results.

Our approach at McKeown Medical is to assess your skin in detail, discuss your priorities, and create a personalised treatment plan that addresses both the physical scarring and your concerns about downtime, cost, and results.

You can read more about acne scar treatment options in our guide:
➡️ Can You Get Rid of Acne Scars? Your Questions Answered

Living with acne scars can be frustrating and emotionally draining — especially when you’ve already worked hard to clear your skin. At McKeown Medical, we understand that you want maximum improvement – which is difficult to achieve – but we will guide you on the best course of treatment to get you the best results we can.

That’s why we offer a comprehensive range of laser resurfacing treatments, all carried out by a medically led team. There’s no guesswork, no one-size-fits-all packages — just a plan tailored to your skin, your scars, and your goals.

If your scars haven’t improved, or you’re not sure what your next step should be, book a consultation today. You’ll get honest advice, medical expertise, and a clear plan tailored to your skin.