If you’ve looked into acne scar treatment at all, you’ve probably run into conflicting opinions. Some clinics call CO2 laser the gold standard. Others push RF microneedling as the safer option, particularly for darker skin. No wonder people end up more confused than when they started. Here’s the honest answer: both treatments work well and are backed by solid clinical evidence. Which one is right for you comes down to your scar type, your skin tone, your day to day life, and how much downtime you can realistically fit in. Below, Dr Scott breaks down both options the same way he would during an actual consultation.

Quick Overview: How Each Treatment Works

CO2 laser is an ablative fractional laser. That means it removes the outer layer of skin while heating the deeper dermis underneath, which triggers significant collagen remodelling. It creates a pattern of controlled micro-injuries across the skin’s surface, essentially resurfacing it, and tends to produce strong results for boxcar and rolling scars in particular.

RF microneedling, delivered at Dr Scott’s clinic using the Morpheus8 device by InMode, works differently. It combines fine microneedles with radiofrequency energy delivered at precise depths into the dermis. Unlike CO2 laser, it doesn’t ablate or remove the skin’s surface, which is why it’s classified as non-ablative. Instead, it stimulates collagen remodelling from within the deeper skin layers. This also makes it a safe option across all skin types, including darker skin tones (Fitzpatrick IV to VI).

Comparison: The Key Differences

A few of these points are worth unpacking a little further. The downtime difference is real and it’s often the deciding factor for people with busy jobs or a lot of social commitments. Fewer CO2 sessions doesn’t necessarily mean it’s the “easier” option overall, since each session asks more of your recovery time. And the skin tone point isn’t a minor detail. Because CO2 laser works by removing the surface layer, it carries a genuine risk of post-inflammatory hyperpigmentation in darker skin (Fitzpatrick IV and above), so careful assessment matters more with this treatment than with RF microneedling.

As for cost, we won’t give you an exact figure here, since that only gets worked out properly at consultation once your treatment plan is set. Broadly speaking though, once you weigh up the number of sessions against the price per session, both options tend to land in a similar overall range.

When Dr Scott Recommends CO2 Laser

CO2 laser tends to work best for moderate to significant atrophic scarring on lighter skin (generally Fitzpatrick I to III, with anyone in the IV and above range needing a more careful individual assessment first). It’s also a good fit if you’d rather see noticeable results in fewer sessions and don’t mind trading that for 5 to 10 days of social downtime. And if you want an overall improvement in skin texture and quality on top of scar reduction, CO2 usually covers both at the same time.

When Dr Scott Recommends Morpheus8 RF Microneedling

RF microneedling is generally the better starting point across all skin types and tones, including darker skin (Fitzpatrick IV to VI), where it carries a much lower risk profile than ablative laser. It’s particularly effective if rolling scars or skin laxity are your main concern, and it suits people who simply can’t take extended time off for downtime, whether that’s a demanding job or an active social calendar. It also works well as part of a combined approach alongside CO2 laser, or for patients who want some skin tightening benefit on top of scar improvement.

Can CO2 Laser and RF Microneedling Be Combined?

Yes, and for more complex scarring, a staged combination is often the most effective route. Dr Scott may recommend CO2 laser to resurface texture first, followed by Morpheus8 to work on deeper collagen remodelling, or the reverse order, with appropriate time left between treatments. Whether this makes sense for you comes down to your full scar assessment at consultation rather than a fixed protocol applied to everyone.

Why Choose Dr Scott for Acne Scar Treatment in Brisbane

Comparing two treatments honestly only really works if the person doing the comparing actually offers both, and isn’t just steering you toward whichever one they happen to have in the clinic.

Dr Scott Horsburgh holds an MBBS from the University of Queensland, is a Fellow of the Royal Australian College of General Practitioners (FRACGP), and brings over 20 years of experience in clinical and aesthetic medicine. He is AHPRA registered (MED0000954670) and is Head of Derma Medical Australia, training other cosmetic practitioners nationally.

At his Brisbane clinic, Dr Scott offers both CO2 laser and Morpheus8 RF microneedling, which means treatment selection is based on what your scars actually need, not on which single device happens to be available. Every patient’s scarring is individually mapped and assessed before a plan is recommended. All treatments are performed personally by Dr Scott at Lila Aesthetics, 1/33 Lytton Rd, East Brisbane QLD 4169.

You can see more of his work on Instagram and LinkedIn.

Ready to Find Out Which Treatment Suits Your Scars?

The only way to know for certain which treatment, or combination, will work best for your skin is a proper in-person assessment. Book a consultation with Dr Scott and get an honest recommendation based on your scars, not a sales pitch for whichever device is easiest to sell.

Book a Consultation with Dr Scott

Further Reading about Acne Scar Treatment with Dr Scott:

• Read Dr Scott’s acne scar treatment service page
• Read Dr Scott’s CO2 laser page
• Read Dr Scott’s Morpheus8 RF microneedling page
• Read Dr Scott’s blog: Types of acne scars: how to identify yours

Medical References:

• Healthdirect Australia: Acne
• TGA: Advertising therapeutic goods
• Cleveland Clinic: Acne scars

This article is general information only and doesn’t replace personalised medical advice. Results from both CO2 laser and RF microneedling vary between individuals, and outcomes depend on scar type, skin tone, and individual healing response. Dr Scott Horsburgh, AHPRA MED0000954670, assesses suitability for either treatment on a case-by-case basis during consultation.