Fractional CO2 Laser Resurfacing for Acne Scars in Singapore

What Are Acne Scars?

Acne scars are permanent textural changes that occur in the skin as a result of severe or prolonged acne inflammation. When acne lesions damage the skin’s deeper layers, the body attempts to heal the area by producing collagen. However, if too little or too much collagen is produced, it can result in uneven healing and visible scarring.

There are several types of acne scars:

  • Ice Pick Scars: Deep, narrow scars that extend into the dermis. These are often the most difficult to treat.
  • Boxcar Scars: Broad, rectangular depressions with well-defined edges, typically found on the cheeks or temples.
  • Rolling Scars: Shallow, wave-like depressions that give the skin a wavy or uneven appearance.
  • Hypertrophic Scars: Raised scars formed when too much collagen is produced during healing.

These scars often do not respond to over-the-counter products and require professional treatments such as laser resurfacing or regenerative procedures to achieve visible improvement.

How Fractional CO2 Laser Treats Acne Scars

Fractional CO2 Laser is a clinically proven resurfacing treatment offered at our aesthetic clinic in Singapore. It targets deep layers of the skin to remodel scarred tissue and stimulate new collagen production. The laser creates precise microthermal zones that trigger a natural wound-healing response, encouraging skin renewal while preserving surrounding healthy skin for faster recovery.

This treatment is particularly effective for depressed acne scars such as:

  • Ice pick scars
  • Boxcar scars
  • Rolling scars

Over time, collagen fills in the depressions, resulting in smoother, more even skin texture. Many patients in Singapore choose this treatment for its long-term effectiveness in acne scar reduction and skin rejuvenation.evere acne scarring who are looking for long-term improvement through skin resurfacing.

How eCO2 Fractional Laser Technology Works

The eCO2 laser, available at our clinic in Singapore, utilises Controlled Chaos Technology (CCT™) — a proprietary scanning system designed to maximise safety and effectiveness. By delivering energy in a randomised pattern, CCT™ helps prevent overheating of surrounding skin tissues, which promotes faster healing and reduces the risk of side effects.

During the procedure, the laser creates Micro-Ablative Columns (MACs) — tiny, targeted zones of thermal injury that penetrate the skin. These microscopic wounds activate the body’s natural healing response, stimulating new collagen production and encouraging skin cell renewal.

This controlled resurfacing process:

  • Improves the appearance of acne scars
  • Tightens and firms the skin
  • Enhances skin texture and tone over time

The combination of advanced laser engineering and precise energy delivery makes eCO2 a powerful and effective tool for skin rejuvenation and acne scar treatment.

eCo2 Inforgraphic

Benefits of Fractional CO2 Laser for Acne Scars

Fractional CO2 Laser is a clinically proven acne scar treatment that helps to resurface damaged skin and stimulate natural collagen regeneration. At our clinic in Singapore, we commonly recommend this procedure for patients who have moderate to severe acne scarring and are seeking long-term skin improvement.

Benefits of Fractional CO2 Laser treatment include:

  • Noticeable reduction in the depth and appearance of depressed acne scars
  • Smoother skin texture and improved tone
  • Refinement of enlarged pores and reduction in fine lines
  • Natural collagen stimulation for firmer, healthier skin
  • Enhanced skin radiance over time
  • Suitable for a wide range of scar types including ice pick, boxcar, and rolling scars

Because only a fraction of the skin is treated at each session, recovery is faster compared to traditional fully ablative lasers — while still offering effective and measurable results. Most patients in Singapore who undergo this treatment experience visible improvement after just a few sessions.

Who Is Suitable for Fractional CO2 Laser Treatment in Singapore?

Fractional CO2 Laser treatment is ideal for individuals looking to improve the appearance of moderate to severe acne scars, particularly those that are depressed or textural in nature. At our clinic in Singapore, we assess each patient’s skin condition thoroughly to determine if laser resurfacing is appropriate based on scar type, skin tone, and healing capacity.

You may be a good candidate for this treatment if you:

  • Have visible acne scars such as ice pick, boxcar, or rolling scars
  • Are in generally good health and not prone to poor wound healing
  • Are not currently experiencing active acne or skin infections
  • Have realistic expectations regarding gradual improvement over multiple sessions
  • Are not on medications or supplements that significantly impair healing (e.g. isotretinoin)

Fractional CO2 Laser is suitable for a wide range of skin types, although patients with darker skin tones may require more conservative settings to reduce the risk of post-inflammatory hyperpigmentation. A detailed skin consultation will help us tailor the treatment plan to your unique skin needs and ensure optimal results.

What to Expect During and After Fractional CO2 Laser Treatment in Singapore

Before each session, a strong numbing cream is applied for 20 to 30 minutes to minimise discomfort during the procedure. At our clinic in Singapore, every session is performed by Dr Edwin with precise technique to ensure both safety and effectiveness.

Each Fractional CO2 Laser treatment is carried out in two parts:

  1. Scar-specific treatment – Dr Edwin uses a higher-powered laser setting to individually target deeper acne scars for maximal collagen stimulation and scar remodelling.
  2. Full-face resurfacing – A gentler laser setting is then applied across the rest of the face to refine skin texture, reduce enlarged pores, and enhance overall skin rejuvenation.

Immediately after the procedure, the skin will appear red and slightly swollen, with the formation of tiny scabs where the micro-ablative columns were delivered. This is part of the normal healing process as new collagen and skin cells are generated.

Downtime typically lasts about 5 to 7 days, depending on the intensity of the treatment and individual healing speed. Most patients return to work after a week, though sun protection and gentle skincare are crucial during this period.

Dr Edwin recommends the following for best results:

  • Pre-treatment: Start a medical-grade Vitamin C serum and anti-pigmentation cream two weeks before your session to strengthen the skin and reduce post-laser pigmentation risk.
  • Post-treatment: Use an intensive recovery cream to soothe the skin, promote healing, and minimise dryness or flaking.

It’s important to understand that visible results take time. Fractional CO2 Laser is not a one-off solution. Most patients in Singapore require multiple sessions — spaced about 4 weeks apart — to achieve significant, long-lasting improvements in their acne scars.

Co2 Laser

CO2 Fractional Laser vs. Pico Fractional Laser – What’s the Difference?

Both CO2 Fractional Laser and Pico Fractional Laser are used in Singapore to treat acne scars, but they differ in mechanism, depth of penetration, recovery time, and effectiveness for certain scar types.

Here’s how they compare:

FeatureCO2 Fractional LaserPico Fractional Laser
MechanismAblative laser that vaporises micro-columns of skin to trigger collagen productionNon-ablative laser using photoacoustic effect to stimulate collagen
Depth of PenetrationDeeper, reaches dermisShallower penetration
EffectivenessMore effective for moderate to severe depressed scars (ice pick, boxcar, rolling)Mild to moderate acne scars, post-acne redness, and pigmentation
Downtime5 to 7 days with visible redness and scabbingMinimal downtime (1–2 days) with mild redness
Pain LevelModerate discomfort (numbing required)Generally well tolerated
Number of SessionsFewer sessions needed (3–5 on average)More sessions may be required (5–8+)

At our Singapore clinic, both treatment options are available and often used in combination depending on scar severity, skin type, and desired recovery time. During consultation, Dr Edwin will assess your skin and advise on the most appropriate treatment or combination plan for your specific acne scars.

Combining CO2 Laser with Subcision and Collagen Stimulating Injections

Acne scarring often involves a mix of scar types — from deep rolling scars to surface pigmentation and red marks. To achieve optimal results, a personalised combination approach is typically needed. At our clinic in Singapore, Dr Edwin frequently combines Fractional CO2 Laser with complementary treatments to target various layers of skin damage and accelerate healing.

Subcision

Subcision is a minor surgical procedure used to treat tethered scars, especially rolling and deep boxcar scars. A fine needle is inserted beneath the skin to release fibrous bands that pull the scar downward. Once these bands are released, the skin is able to lift and remodel. Subcision is often performed just before CO2 Laser treatment for enhanced scar correction.

Polynucleotide (PN) Injections for Acne Scar Recovery

Polynucleotide (PN) injections—commonly known as the salmon DNA treatment and widely used in Korean medical aesthetics—are regenerative injectables designed to support skin healing and improve acne scar outcomes. These DNA-based molecules stimulate fibroblast activity, enhance collagen remodeling, and promote tissue regeneration, making them especially useful in scar recovery after energy-based treatments.

One of the most recognisable formulations used in clinical practice is often referred to as “Polynucleotide Scar,” known for its signature blue box packaging. It is frequently incorporated into acne scar treatment protocols across Asia due to its targeted skin-repair properties.

When used in combination with fractional CO₂ laser resurfacing or subcision, PN injections help reduce inflammation, minimise downtime, and improve wound healing—particularly for patients with sensitive skin, delayed recovery, or a tendency to develop post-inflammatory hyperpigmentation (PIH). This synergistic approach enhances collagen regeneration and improves long-term scar revision results.

Pico Laser and Yellow Laser for Pigment and Redness

For patients with lingering red acne marks (post-inflammatory erythema) or brown pigmentation (post-inflammatory hyperpigmentation), Dr Edwin may incorporate Pico Laser or Yellow Laser treatments. These non-ablative lasers target excess melanin and superficial blood vessels without affecting surrounding tissue. They can be performed between CO2 Laser sessions to address discoloration and further improve skin clarity.

Hybrid Collagen-Stimulating Injectable for Acne Scar Healing

This dual-action injectable combines hyaluronic acid with a collagen-stimulating compound to address atrophic acne scars—particularly in patients with thin, fragile, or crepey skin. It offers both immediate hydration and gradual dermal remodeling by stimulating collagen synthesis over time.

Commonly incorporated into Korean acne scar protocols, this injectable is especially effective for rolling scars and shallow depressions that do not respond fully to laser resurfacing alone. By reinforcing the skin’s structural matrix and improving elasticity, it enhances textural refinement and supports longer-term scar correction.

When used in combination with CO₂ laser resurfacing or subcision, this treatment contributes to smoother skin texture, improved skin density, and more comprehensive scar resolution.

Frequently Asked Questions (FAQ)

How to Choose the Best Acne Scar Treatment Clinic in Singapore

Selecting the right clinic for acne scar treatment is essential to achieving safe, long-lasting results. With many clinics in Singapore offering various laser and injectable options, it’s important to choose a provider with the right expertise, technology, and patient-centred approach.

Here are key factors to consider:

  • Doctor-Led Treatment
    Ensure that your treatments are performed or supervised by an experienced medical doctor with expertise in acne scar management. At our clinic, Dr Edwin personally assesses each patient and customises the treatment plan based on scar type, skin condition, and individual goals.
  • Comprehensive Range of Treatments
    No single treatment can effectively address all types of acne scars. The best clinics in Singapore offer a wide range of options, including CO2 laser, subcision, Pico Laser, and collagen-stimulating injectables like Polynucleotide Scar, allowing for tailored combination therapies.
  • Advanced Technology
    Look for clinics equipped with medical-grade, evidence-based devices such as the eCO2 fractional laser, Yellow Laser, and Pico Laser. These technologies allow for precise, safe, and effective treatment of various scar depths and skin tones.
  • Customised Treatment Plans
    A personalised approach ensures that the treatment is adapted to your specific skin type, scar pattern, and tolerance for downtime. Avoid one-size-fits-all packages that don’t address individual concerns.
  • Before-and-After Photos and Reviews
    Reputable clinics will be transparent about past results and share before-and-after photos or patient testimonials. This helps set realistic expectations and gives you confidence in their expertise.

At Edwin Lim Medical Aesthetic Clinic, we are committed to delivering personalised, medically sound treatment plans for acne scars. Each case is assessed in detail, and combination treatments are recommended based on clinical evidence and your skin’s unique needs.

Take the First Step Towards Smoother, Clearer Skin

Struggling with stubborn acne scars? Let us help you achieve long-term skin improvement with customised laser treatments and combination therapies.

Schedule a personalised consultation with Dr Edwin to assess your skin and create a targeted acne scar treatment plan that suits your goals.

Book a consultation with us today.

Need Help?

Share your skin concerns with us! Book an appointment or arrange a call back from our friendly staff now.
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