Acne Scar Treatment

Remodeling Skin Affected by Acne Scarring

Acne can leave lasting changes in the structure and texture of the skin even after active breakouts have settled. Fractional CO₂ Laser is one of the treatments that may be considered for atrophic acne scars, using controlled laser energy to create microscopic areas of thermal injury and stimulate subsequent tissue repair and collagen remodelling.

At YT Medical, acne scarring is assessed before treatment because there is no single form of acne scar. Rolling scars, boxcar scars and narrow deeper scars have different structural characteristics, and pigmentation left behind after acne is different again. Understanding what is actually present helps determine whether CO₂ Laser should be used alone or as one element of a broader scar-remodelling programme.

Which Acne Scars Respond to CO₂ Laser?

Fractional CO₂ treatment is most relevant to selected depressed or atrophic scars and areas of uneven post-acne texture. Clinical evidence supports its ability to improve the appearance of atrophic acne scarring, although the degree of response varies considerably between scar types and patients.

Deeper or tethered scars may not respond sufficiently to surface resurfacing alone, while very narrow scars can sometimes require another technique. Red marks and brown post-inflammatory pigmentation also need to be distinguished from true structural scars because these concerns may require a different laser, skin treatment or simply time.

Active inflammatory acne should also be considered separately. Where breakouts remain uncontrolled, stabilising the underlying acne may take priority before an intensive resurfacing programme begins.

What Happens During Treatment?

The treatment area is prepared before fractional CO₂ energy is delivered across the selected scarred skin using settings appropriate to scar depth, skin type and treatment objectives. Anaesthetic measures may be used, and heat or discomfort should be expected during the procedure.

Afterwards, redness, swelling and sensitivity are common. The surface can become dry, rough or crusted before peeling and gradually recovering. Patients should avoid picking or prematurely removing healing skin and must follow the provided skincare and sun-protection advice carefully.

More intensive settings can sometimes provide a stronger resurfacing effect but also involve greater downtime and potentially greater risk. Treatment therefore needs to balance scar improvement with safe healing rather than simply using the highest possible energy.

How Much Improvement Is Possible?

Acne scar treatment should be approached as improvement rather than complete removal. Established scars represent permanent structural changes within the skin, and even successful treatment is unlikely to restore the skin to a state where every scar is invisible.

Fractional CO₂ Laser has a strong role in acne-scar management, but some patients benefit from several sessions or a combination with Medical Microneedling, regenerative treatments or other scar-specific procedures. Changes continue to develop after the visible recovery period as collagen remodelling progresses.

Post-inflammatory hyperpigmentation is a recognised concern following fractional CO₂ treatment and may be more likely in some skin types. Your individual pigmentation risk will therefore form part of the assessment and treatment planning.