1927 nm wavelength laser is an innovative non-ablative fractional laser technology widely used in medical aesthetics for skin rejuvenation, pigmentation treatment, and resurfacing. Operating in the thulium wavelength spectrum, the 1927 nm laser provides a unique balance between safety, comfort, and effectiveness, making it a preferred choice for clinics and beauty centers worldwide.
This wavelength specifically targets water within the skin tissue, allowing precise treatment in the epidermal and superficial dermal layers. Compared to other lasers, such as CO₂ or Er:YAG, the 1927 nm wavelength offers shorter recovery time, reduced discomfort, and effective results in treating pigmentation disorders and improving overall skin tone.
Working Principle
The 1927 nm laser creates controlled microthermal zones (MTZs) in the skin without fully ablating the surface. This process stimulates natural healing responses and collagen remodeling. At the same time, damaged pigmented cells are broken down and replaced by healthier, new skin.
Because the energy is absorbed primarily by water, the treatment is safer and more predictable for delicate areas and suitable for a variety of skin types.
Key Features & Advantages
Targeted Wavelength: Specifically designed to act on superficial layers, ideal for pigmentation and texture improvement.
Non-Ablative Technology: Less downtime compared to ablative lasers like CO₂.
Adjustable Energy Levels: Customizable treatment settings for different skin conditions.
Wide Applications: Suitable for face, neck, hands, and other sensitive skin areas.
Faster Recovery: Patients typically resume normal activities quickly.
Fractional Delivery: Minimizes side effects and speeds up the healing process.
Main Applications
Pigmentation Removal – Effective for sun spots, age spots, freckles, and melasma.
Skin Rejuvenation – Improves tone, texture, and radiance of the skin.
Superficial Acne Scars – Reduces appearance of mild acne scarring.
Photoaging Repair – Smooths fine lines and sun-damaged skin.
Skin Resurfacing – Refreshes dull skin for a younger, more even complexion.
Treatment Modes
Fractional Mode: Creates precise micro-channels for targeted rejuvenation.
Gliding Mode: Allows continuous treatment for larger surface areas.
Sensitive Mode: Specially adjusted for delicate or intimate areas.

Technical Parameters (Typical)
Wavelength: 1927 nm
Laser Type: Non-ablative fractional thulium laser
Spot Size: Adjustable (commonly 192–300 μm)
Energy Output: 1–20 mJ (customizable per treatment)
Pulse Duration: Microsecond to millisecond range
Cooling System: Integrated air or contact cooling for comfort
Display Interface: Touchscreen with intuitive settings
Frequently Asked Questions (FAQ)
Q1: Is the 1927 nm laser painful?
A: The treatment is generally well tolerated. Cooling systems and topical anesthetics further reduce discomfort.
Q2: How many sessions are needed?
A: Most patients require 3–5 sessions, spaced 3–4 weeks apart, depending on their skin condition.
Q3: What is the downtime?
A: Mild redness and dryness may appear for 2–3 days. Compared to ablative lasers, downtime is minimal.
Q4: Is it suitable for all skin types?
A: Yes, but treatment settings should be adjusted according to skin tone and sensitivity.
Q5: How long do results last?
A: Results are long-lasting, especially when combined with proper skincare and sun protection.
What is the wavelength of Fraxel laser 1927 and 1550?
Fraxel 1927 nm Wavelength:
Targets more superficial layers of the skin (epidermis and upper dermis).
Effective for pigmentation problems such as sunspots, age spots, melasma, and overall skin tone improvement.
Works well for treating photoaging and restoring skin brightness with minimal downtime.
Fraxel 1550 nm Wavelength:
Penetrates deeper into the dermis.
Primarily used for treating wrinkles, acne scars, surgical scars, and deeper skin resurfacing needs.
Stimulates collagen remodeling in the mid to deep dermis, improving skin structure and elasticity.
Key Difference
1550 nm: Deep resurfacing and collagen stimulation.
1927 nm: Superficial pigmentation and skin tone correction.
Why Choose the 1927 nm Wavelength Laser?
The 1927 nm laser has become one of the most reliable solutions for pigmentation, photoaging, and skin rejuvenation. With its balance of safety, efficacy, and comfort, it offers patients visible improvements without the extended downtime of traditional resurfacing lasers.
For clinics and professionals, this technology delivers versatile applications, high patient satisfaction, and a strong return on investment.







