Both fractional CO₂ and erbium are ablative lasers that resurface skin by removing micro-columns of tissue. The wavelength difference is the whole story — CO₂ at 10,600 nm penetrates deep, erbium at 2,940 nm is more superficial. Different depth = different indication.
This guide covers the mechanism, the indication fit, recovery profiles, skin-tone considerations, and how to choose.
Fractional CO₂
Best for: deep acne scars, severe sun damage, periorbital wrinkles, scar revision. Recovery: 7–10 days re-epithelialization. Strong collagen response. Detailed CO₂ guide.
CO₂'s 10,600 nm wavelength is highly absorbed by water and penetrates deep. The result is dramatic resurfacing with longer recovery — but the result is also dramatic.
Erbium
Best for: fine lines, mild sun damage, superficial pigmentation. Recovery: 4–7 days. Less aggressive collagen response than CO₂.
Erbium's 2,940 nm wavelength has even higher water absorption than CO₂ but less depth penetration. The result is gentler resurfacing with shorter recovery.
Skin-tone considerations
Both are riskier on darker skin than non-ablative options. CO₂ has higher post-inflammatory hyperpigmentation risk on Fitzpatrick IV–VI. Pre-treatment with hydroquinone and strict sun avoidance is essential.
Many Latin-skin patients are better served by Morpheus8 or picosecond rejuvenation rather than ablative laser. Why RF is safer.
Cost
| Laser | US | Elyzea |
|---|---|---|
| Fractional CO₂ facial rejuvenation | $2,000–$5,000 | ~US$714 |
| Fractional CO₂ scars | $1,500–$3,500 | ~US$286 |
| Erbium | $1,500–$3,000 | limited availability |
Decision
- Severe scarring or deep wrinkles: CO₂
- Mild texture issues: erbium or non-ablative
- Darker skin: consider Morpheus8 or picosecond first
- Multiple-treatment plan: can combine fractional CO₂ + Morpheus8 over months
Recovery details for CO₂
Day-by-day post-CO₂:
- Days 1-3: oozing, crusting, significant swelling
- Days 4-7: peeling, intense redness, sensitivity
- Days 7-10: redness fades, baseline texture restored
- Weeks 2-12: ongoing collagen build, results become visible
Strict SPF 50+ for 3-6 months. No sun exposure. Pre-treatment hydroquinone for 4-6 weeks reduces PIH risk.
Combining with other treatments
CO₂ pairs well with:
- + Morpheus8 (different sessions): deep + textural treatment
- + HIFU (months apart): resurfacing + lifting
- + filler: texture + volume restoration
Don't combine CO₂ with same-session aggressive treatments. Recovery requires a clean healing window.
Frequently asked questions
Can I do CO₂ on dark skin?
Caution required. Morpheus8 is generally preferred for Fitzpatrick V-VI.
How long until I see results?
Initial improvement at 4 weeks. Peak result at 3-6 months.
Is CO₂ safe?
When properly performed, yes. The risk is operator error or inappropriate skin-tone selection.
Can I do CO₂ + chemical peel?
Yes, sequenced. CO₂ then chemical peel 8-12 weeks later for layered approach.
What about Halo laser?
Halo is hybrid (ablative + non-ablative wavelengths). Combines benefits with somewhat shorter recovery than full CO₂.
Will I need maintenance?
1-2 CO₂ sessions every 1-2 years for sustained skin quality.
Can I have CO₂ during pregnancy?
No. Postpone until after pregnancy and breastfeeding.
CO₂ laser at Elyzea — equipment, anesthesia, infrastructure
The fractional CO₂ laser is the gold standard for skin resurfacing — but only when the device is genuine (not a Chinese imitation), the operator is experienced, the anesthesia infrastructure supports running full ablative depth comfortably, and the recovery setup includes proper post-procedure care. At Elyzea, the CO₂ platform is from a recognized manufacturer with calibrated power and depth control. The MD anesthesiologist on-site enables proper full-energy protocols (which, with topical numbing alone, would be too painful to deliver as designed). Per the price list, CO₂ pricing ranges from S/200 (~US$57) for individual lesion removal to S/2,500 (~US$714) for full facial resurfacing. For darker skin tones (Fitzpatrick V–VI), Morpheus8 is often the safer first-choice resurfacing modality given the lower post-inflammatory hyperpigmentation risk; the consultation maps your specific situation to the right tool.
Why Elyzea is different in Lima
Every treatment at Elyzea is evaluated by Dra. Geldres, a board-certified plastic surgeon — not delegated to a technician with a sales quota. Genuine equipment, conservative parameters, honest expectations. How visits work.
What the free virtual consultation covers
Before any travel, a free virtual consultation reviews your goals, candidacy and exact pricing — so you fly with a confirmed plan, not a sales pitch. Book it and plan your visit here.
Bottom line
Fractional CO₂ for severe resurfacing in light skin. Erbium for milder resurfacing. For Latin/dark skin, Morpheus8 is often the safer alternative. Lima offers fractional CO₂ at ~50-75% Lima vs US savings.