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Erbium Laser vs CO₂ Laser: Which Skin Resurfacing Is Right for You?

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When you’re researching laser skin resurfacing, two names dominate the conversation: the erbium YAG laser and the CO₂ laser. Both ablate skin to trigger . Both deliver improvements in fine Acid FillersCalcium Hydroxylapatite FillersPoly-L-lactic Acid FillersPolymethylmethacrylate FillersAutologous Fat Lines Frown Lines TreatmentCrow's Feet TreatmentBunny Lines Brow LiftLip Smile CorrectionMasseter ReductionJaw Chin SmoothingCobblestone Chin SmoothingNefertiti Neck LiftMicro-BotoxMesotoxHyperhidrosis TreatmentChronic ReliefBruxism TreatmentTMJ TreatmentCervical Spasm TreatmentBlepharospasm TreatmentLip Trough Fold SofteningMarionette Line RhinoplastyNon-Surgical Nose VolumisingHand RejuvenationAcne Scar Subcision Filling [theaestheticbox.co.uk], scarring, sun damage and texture. But they’re engineered around different wavelengths, and that single cascades into very different profiles, levels and safety margins.

At Centre for Surgery, our laser use the Fotona SP Pro erbium for all at our Baker Street . This guide how the two compare, when each is appropriate, and why Er:YAG is the right default choice for most in 2026.

The technical difference in one sentence

The CO₂ laser emits light at 10,600 nm; the Er:YAG laser at 2,940 nm. Water — the dominant component of skin — Er:YAG energy 10 to 15 times more efficiently. That means Er:YAG vaporises water-rich tissue almost with very little heat, while CO₂ more energy into skin as it ablates the .

Both lasers achieve resurfacing; the trade-off is depth of effect and of recovery. For the underlying tissue science in more detail, see our deeper guide to the .

CO₂ laser resurfacing: deep, dramatic, demanding

The CO₂ laser has been the for resurfacing since the 1990s. Its longer further into the dermis, and the thermal effect substantial collagen contraction and . For with deep static wrinkles, severely sun-damaged skin or acne scarring, a single fully CO₂ session can that look transformative.

That power comes at a cost. CO₂ recovery runs 14 to 21 days of social downtime, with persistent erythema that can linger for weeks or months. The risk of post-inflammatory hyperpigmentation is meaningful — particularly in skin types IV to VI, where it can be both more prevalent and longer-lasting. Hypopigmentation, where skin loses pigment permanently, is a rare but . the thermal margin is wider, the technique demands an experienced operator: parameters that work beautifully on light, sun-tolerant skin can cause real harm on darker or thinner areas like the neck.

For patients who the and fall in the right candidacy window, CO₂ powerful. For most patients, the calculation now favours erbium.

Erbium laser resurfacing: precise, safe, faster healing

The Er:YAG laser approaches the same skin concerns from the direction: tissue with minimal heat, and rely on a series of precisely passes to reach the desired depth. With the Fotona SP Dynamis Pro, our can dial pulse duration anywhere from 100 microseconds (essentially cold ablation, almost no thermal effect) up to 1,000 (added effect for tightening). That is the platform’s defining advantage — one device can everything from a light to deep resurfacing, with the energy in real time to suit the area and the skin type.

The clinical are tangible. Recovery typically runs five to ten days for and 10 to 14 days for fully ablative . fades faster. The risk is lower, making Er:YAG far safer in olive and darker skin tones. is reduced, and many treatments are tolerated under anaesthetic alone.

Er:YAG is also exceptional on delicate areas — around the eyes, on the neck, on the décolletage — where the higher thermal load of CO₂ a real risk of scarring or pigment loss.

Side-by-side: which laser for which problem

The honest answer is that the conditions . Both lasers can treat the same indications. What changes is the recovery curve and the safety margin.

Recovery side-by-side

For patients deciding the two approaches, the recovery comparison usually it.

For the full week-by-week recovery arc and detailed aftercare guidance, see our companion guide on . For makeup and timing during the window, see our guide to . Many patients also ask — the short answer is that technique makes the procedure itself comfortable, but the first 48 hours of healing involves real but .

What happens during your treatment

Your first appointment is a . We your skin, discuss what you want to change, take a thorough medical history, and recommend the laser protocol that best fits your concerns, skin type and . If you’ve been using retinoids, are on or recently finished isotretinoin, or have a history of cold sores, we’ll adjust the plan accordingly.

On treatment day, the skin is and a cream is applied for around 30 to 45 minutes. Deeper protocols may add local . Protective eye are placed. Treatment itself takes 30 to 90 minutes on the area and . The sensation during is a warm or mild stinging; immediately after, the skin feels like a . A cooling mask and are applied before you leave.

You go home with detailed written aftercare instructions: how to cleanse, what to apply and how often, sun protection requirements, and warning signs to watch for. Strict daily SPF 50 use is for at least three months — the new skin is highly photosensitive and sun exposure during this window can cause that’s hard to reverse.

Combining laser with other treatments

One of the we lean towards Er:YAG is that it pairs well with other for patients wanting rejuvenation:

For an overview of how Fotona’s range of treatments fits together, see our guide on .

Who is a good candidate

The ideal for Er:YAG laser resurfacing:

Patients with significant skin laxity or volume loss may benefit more from surgical lifting — , , — sometimes followed by Er:YAG to skin quality.

What we don’t recommend

A few honest editorial positions:

Frequently asked questions

Neither is universally better — they answer different questions. For most patients in 2026, Er:YAG offers a better balance of results, safety and recovery. CO₂ remains an option for very indications, but is rarely our first recommendation.

For most concerns, one to three sessions spaced four to six weeks apart excellent results. Fully full-face is a one-off, with via non-ablative thereafter.

can last five years or more. The natural ageing continues, so maintenance treatments — typically — extend benefit indefinitely.

Pricing on protocol depth and area. Focal resurfacing starts around £600; ranges £1,500 to £3,000; fully ablative full-face £3,000 to £6,000. We offer .

It’s possible but rarely necessary. The dynamic range of the Fotona SP Dynamis Pro is wide enough that we can deliver everything from gentle refresh to deep ablation on one platform without in a CO₂ system.

Our Baker Street private is built around the Fotona SP Pro — one of the most advanced Er:YAG in use. Treatments are delivered by laser specialists in a CQC-regulated environment, with the full safety infrastructure of a private . Every is calibrated to your skin type, downtime tolerance and goals — there is no one-size-fits-all laser at our clinic.

Centre for Surgery · CQC-regulated · GMC specialist-registered surgeons · · · ·

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Centre for Surgery is a CQC-regulated private hospital on London’s Baker Street, delivering plastic and cosmetic surgery through GMC-registered surgeons. Our expertise spans facial and , , for men, and body procedures such as and . Patient safety, surgical and natural-looking results sit at the heart of everything we do.

Centre for Surgery is a CQC-regulated private on London’s iconic , and led by GMC-registered .

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