CO2 Fractional Laser Vs. 1927nm Thulium Laser: Which One Is Right For Your Clinic?
Jan 12, 2026
In aesthetic laser treatments, 10600nm CO₂ fractional lasers and 1927nm thulium lasers are two widely adopted technologies.
Although both are used for skin improvement, they differ fundamentally in ablation mode, penetration depth, downtime, and clinical indications.
This article provides a professional comparison to help clinics and practitioners make informed equipment decisions.

1. Core Comparison: Ablative vs. Sub-ablative Laser Technologies
| Category | CO₂ Fractional Laser (10600nm) | 1927nm Thulium Laser |
|---|---|---|
| Laser Type | Ablative | Sub-ablative / Minimally invasive |
| Tissue Response | Visible crusting, 5–7 days | Mild crusting, ~24h recovery |
| Mechanism | Tissue vaporization + collagen coagulation | Collagen coagulation + thermal stimulation |
| Penetration Depth | Up to 3 mm (deep dermis) | Epidermis to upper dermis |
| Key Advantage | Strong remodeling capability | Fast recovery, better comfort |
2. CO₂ Fractional Laser: Deep Skin Resurfacing and Structural Repair
The 10600nm CO₂ laser works through controlled tissue ablation, triggering a wound-healing response and stimulating new collagen formation.
RF Tube Advantage
- Energy deviation within ±5%
- Smaller, rounder spot size (~0.15 mm)
- Improved precision and stability
Main Indications
- Deep acne scars
- Hypertrophic scars and stretch marks
- Tattoo removal
- Deep intimate rejuvenation
3. 1927nm Thulium Laser: Gentle and High-Frequency Skin Management
The 1927nm wavelength is classified as sub-ablative, producing thermal effects without tissue vaporization.
Key Benefits
- Minimal trauma and discomfort
- Short downtime
- Suitable for "lunchtime treatments"
Typical Applications
- Skin rejuvenation and brightening
- Mild acne marks and enlarged pores
- Eye bag improvement
- Hair restoration programs
4. Business-Oriented Device Selection
- Clinics focusing on severe skin conditions and scar repair
→ CO₂ fractional laser is essential
- Clinics prioritizing comfort, fast recovery, and repeat treatments
→ 1927nm thulium laser is more suitable
- For darker skin types, CO₂ lasers generally offer a wider safety margin
5. Post-Treatment Care and PIH Prevention
- Avoid facial masks during crusting phase
- Use repair products consistently
- Strict sun protection is critical to reduce PIH risk
FAQ
Q: Why does CO₂ laser show stronger results for wrinkles and scars?
A: Due to deeper penetration and ablative remodeling, CO₂ lasers stimulate collagen regeneration more effectively in deep dermal layers.
Q: Can 1927nm thulium laser be used for tattoo removal?
A: No. Tattoo removal requires ablative lasers such as CO₂ systems.






