CO2 Laser for Pigmentation & Sun Damage
Doctor-led CO2 laser treatment for pigmentation concerns including sun damage, age spots, post-inflammatory hyperpigmentation and uneven skin tone. Fractional resurfacing with the Alma Hybrid platform to remove pigmented surface layers and stimulate cellular renewal.
At Berkshire Aesthetics, pigmentation treatment with CO2 laser is carried out under the clinical supervision of Dr Selena Langdon. Every treatment plan is developed following a thorough assessment of your pigmentation type, skin tone, medical history and treatment goals. See our CO2 Laser Resurfacing overview for a full guide to the conditions we treat with this technology.
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Who is CO2 laser for pigmentation suitable for?
CO2 laser pigmentation treatment is appropriate for patients who have sun damage, age spots, uneven skin tone or post-inflammatory hyperpigmentation that has not responded adequately to topical treatments or gentler procedures. If you have concerns about pigmentation or melasma, visit our pigmentation and melasma page for a broader overview of the conditions and treatment options we offer.
Pigmentation disorders occur when melanocytes produce excess melanin in response to UV exposure, hormonal changes, inflammation or skin injury. The resulting discolouration can range from small, discrete spots to widespread tonal irregularity. CO2 laser addresses pigmentation by removing the melanin-rich surface layers and triggering the regeneration of fresh, more evenly toned skin from beneath.
How CO2 laser treats pigmentation
The Alma Hybrid CO2 laser delivers controlled microcolumns of laser energy that vaporise thin layers of pigmented skin in a fractional pattern. This removes melanin-rich surface cells while leaving surrounding tissue intact to support rapid healing. The controlled thermal injury triggers the skin’s natural wound-healing response, stimulating cellular renewal and the production of fresh, more evenly pigmented skin from deeper layers.
Unlike topical lightening agents that work gradually by inhibiting melanin production, CO2 laser physically removes the pigmented tissue. This makes it particularly effective for discrete, well-defined pigmented lesions such as solar lentigines and for overall skin tone improvement in sun-damaged skin. The dual-wavelength approach of the Alma Hybrid — combining ablative CO2 (10,600nm) and non-ablative 1570nm wavelengths — allows your doctor to tailor the treatment depth and intensity to your specific pigmentation type.
Learn more about the Alma Hybrid CO2 laser platform and how it works.
Types of pigmentation treated
During your consultation, your doctor will assess the type, depth and distribution of your pigmentation to determine whether CO2 laser is the most appropriate treatment or whether an alternative approach would be safer and more effective.
Solar lentigines (age spots / sun spots)
Solar lentigines are flat, well-defined brown spots caused by cumulative UV exposure. They commonly appear on the face, hands, forearms and chest. CO2 laser is highly effective for these lesions, as the laser precisely removes the pigmented surface layer and the resulting skin regeneration produces a more even tone. Most patients see significant improvement after 1–2 sessions.
Melasma
Melasma is a complex pigmentation condition driven by hormonal factors, UV exposure and genetic predisposition. It presents as symmetrical patches of brown or grey-brown discolouration, most commonly on the cheeks, forehead, upper lip and chin. CO2 laser is not always the first-line treatment for melasma. In some cases, laser energy can trigger a rebound worsening of melasma or post-inflammatory hyperpigmentation. Your doctor will assess your melasma type honestly and may recommend alternative treatments such as chemical peels, topical agents or a cautious combination approach. We believe in setting realistic expectations rather than overpromising results for this challenging condition.
Post-inflammatory hyperpigmentation (PIH)
PIH occurs when inflammation from acne, eczema, injury or previous treatments leaves behind dark marks. These marks are caused by excess melanin deposited during the healing process. CO2 laser can be effective for established PIH that has not responded to topical treatments, but timing and settings must be carefully managed to avoid triggering further pigmentation. For post-acne redness and PIH specifically, see our post-acne redness page.
Uneven skin tone and photodamage
Years of UV exposure can cause a general loss of skin clarity, with patchy discolouration, freckling and a dull, uneven complexion. CO2 laser resurfacing addresses this diffuse photodamage by removing the damaged surface layers across the treatment area, revealing fresher, more evenly toned skin beneath. The treatment simultaneously improves texture, fine lines and overall skin quality. For a broader view of pigmentation conditions we treat, see our dedicated page.
CO2 laser vs chemical peels for pigmentation
Both CO2 laser and chemical peels are effective treatments for pigmentation, but they work differently and are appropriate in different clinical scenarios. Your doctor will recommend the best approach — or a combination of both — based on your pigmentation type, skin tone and treatment goals.
When CO2 laser is more appropriate
CO2 laser is typically preferred for deeper, well-defined pigmented lesions such as solar lentigines, for more extensive sun damage requiring significant surface renewal, and when pigmentation is combined with textural concerns (fine lines, roughness) that benefit from the collagen-stimulating effects of laser resurfacing. It delivers more dramatic results per session but requires 7–10 days of recovery.
Learn more about CO2 laserWhen chemical peels are more appropriate
Chemical peels are often preferred for superficial pigmentation, melasma (where laser carries higher rebound risk), maintenance between laser sessions, and for patients who need shorter downtime (1–5 days depending on peel depth). Peels provide controlled exfoliation that reduces melanin deposits and promotes cell turnover. They can also be an excellent preparatory step before laser treatment.
Learn more about chemical peelsCombination approaches
In many cases, the best outcomes are achieved by combining CO2 laser with chemical peels in a staged protocol. A peel may be used first to prepare the skin and reduce surface melanin before laser treatment. After laser healing is complete, maintenance peels can help sustain results and prevent pigmentation recurrence. Your doctor will design the safest treatment sequence for your specific needs. See our CO2 laser vs chemical peels comparison for a detailed breakdown.
Skin tone considerations
Skin tone is a critical factor in pigmentation treatment with CO2 laser. At Berkshire Aesthetics, we use the Fitzpatrick skin typing system to assess your skin’s melanin content and predict how it will respond to laser energy. This honest assessment ensures we recommend the safest and most effective approach for your individual skin type.
Patients with lighter skin tones generally respond well to CO2 laser for pigmentation. The risk of post-inflammatory hyperpigmentation is lower, and standard treatment parameters are typically appropriate. Results tend to be predictable with proper aftercare and sun protection.
Darker skin tones carry a significantly higher risk of post-inflammatory hyperpigmentation or hypopigmentation after CO2 laser treatment. Modified protocols with lower energy settings, longer intervals between sessions and pre-treatment skin preparation (such as topical lightening agents) can reduce these risks. In some cases, your doctor may recommend alternative treatments that carry lower pigmentary risk for your skin type.
For patients at higher risk of pigmentary complications, your doctor may prescribe a preparatory skincare regimen for 2–4 weeks before laser treatment. This may include broad-spectrum SPF 50 daily, topical treatments to suppress melanocyte activity, and avoidance of tanning or UV exposure.
We believe in honest, evidence-based advice. If CO2 laser is not the safest option for your skin tone and pigmentation type, your doctor will tell you and recommend alternatives. Patient safety always takes priority over offering a particular treatment.
Results and maintenance
Pigmentation treatment with CO2 laser produces visible results, but long-term maintenance requires commitment to sun protection and ongoing skincare. Without proper aftercare, pigmentation can recur — particularly with continued UV exposure.
Initial healing phase with redness, crusting and peeling. Pigmented lesions darken before sloughing off. New, pink skin emerges by day 7–10. Strict sun avoidance is essential during this period.
Residual pinkness fades and new skin tone becomes visible. Significant improvement in pigmentation is typically apparent by this stage. Follow-up assessment determines whether additional sessions are needed.
Full results become evident as collagen remodelling completes. Skin tone continues to even out. Long-term SPF compliance and maintenance skincare sustain results and prevent recurrence of pigmentation.
Ongoing maintenance requirements
Treatment pathways
Your treatment pathway will depend on your pigmentation type, severity and skin characteristics. Below are the key modalities we use, often in combination, to address pigmentation effectively.
Related topics
Explore related pages within our CO2 Laser Resurfacing service:
Why we start with a consultation
Every treatment begins with a medical assessment. We need to understand your medical history, current health, skin condition and concerns before prescribing any procedure. This protects your safety and ensures the treatment is clinically appropriate for you.
During your consultation, Dr Langdon will explain what the treatment can realistically achieve, any risks specific to you, and whether an alternative might be more appropriate.
All bookings are subject to our Booking Conditions.
Frequently Asked Questions: CO2 Laser for Pigmentation
This content is for informational purposes only and does not constitute medical advice. Individual suitability for any treatment is assessed during a consultation. Always seek the guidance of a qualified medical professional with any questions regarding a medical condition or treatment.
- CQC registered clinic — regulated and inspected
- Doctor-led clinical oversight by Dr Selena Langdon (GMC 6159259)
- Complaints process and patient rights
Page last reviewed: February 2026
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