Xerf by Lutronic: Long-Pulsed Nd:YAG Laser Treatment in NYC
A Versatile Korean Laser for Vascular, Pigment, and Skin Rejuvenation
The Xerf is a long-pulsed 1064nm Nd:YAG laser developed by Lutronic, a leading South Korean medical device company known for its advanced laser platforms used in dermatology and aesthetic medicine worldwide. The Xerf is designed to address a broad spectrum of skin concerns including vascular lesions, pigmentation, hair reduction, and overall skin rejuvenation, making it one of the more clinically versatile devices in the Korean laser market.
Lutronic has built a strong reputation among dermatologists and aesthetic physicians for engineering devices that combine clinical efficacy with a high degree of customization. The Xerf continues that tradition, offering practitioners precise control over pulse duration, energy delivery, and treatment depth to tailor outcomes to individual patients and skin types.
How the Xerf Works
The Xerf operates at a 1064nm wavelength, which is deeply penetrating and well tolerated across a wide range of skin tones, including darker skin types that may not be suitable candidates for shorter wavelength lasers. At this wavelength, the laser energy is absorbed by hemoglobin in blood vessels and by melanin in pigmented lesions, selectively targeting these structures while leaving surrounding tissue unaffected.
The long-pulse delivery mode allows the device to heat target structures gradually and uniformly, which is particularly effective for treating larger vascular lesions and for stimulating dermal collagen. This controlled thermal approach also contributes to a more comfortable treatment experience compared to shorter-pulse technologies.
What the Xerf Can Treat
The Xerf is indicated for a range of conditions that benefit from 1064nm energy delivered at adjustable pulse durations.
For vascular concerns, it can address facial redness, telangiectasias (small dilated blood vessels), spider veins on the legs and body, and diffuse redness associated with rosacea. The depth of penetration at 1064nm makes it effective for vessels that are too deep for shorter wavelength vascular lasers to reliably reach.
For pigmentation, the Xerf can target sunspots, age spots, and other forms of benign superficial and mid-dermal pigmentation. It is particularly useful in patients with Fitzpatrick skin types IV through VI, where aggressive shorter-wavelength treatments carry a higher risk of post-inflammatory hyperpigmentation.
For skin rejuvenation, the sub-ablative thermal stimulation delivered by the Xerf promotes collagen remodeling over time, improving skin texture, tone, and overall quality with no downtime. This application is sometimes referred to as a “laser toning” or “laser genesis” style treatment and has become widely popular in Korean aesthetic practice.
The Xerf is also used for laser hair reduction, particularly in patients with darker skin tones where 1064nm is considered the safest wavelength option.
Benefits of Xerf Treatment
- Broad clinical versatility across vascular, pigment, hair, and rejuvenation indications
- Safe and effective across all Fitzpatrick skin types, including darker complexions
- Minimal to no downtime for rejuvenation and toning treatments
- Precise, customizable settings that allow treatment protocols to be tailored per patient
- Long-pulsed delivery produces comfortable, controlled thermal effect
- Well-established 1064nm platform with a strong global clinical track record
Ideal Candidates for Xerf
The Xerf is a strong option for patients seeking treatment of facial redness, visible blood vessels, or diffuse vascular irregularity. It is also well suited for patients with sunspot or pigmentation concerns who have medium to darker skin tones, where more aggressive laser options may carry a higher risk of adverse effects. Patients interested in a non-ablative skin rejuvenation approach with no downtime are also good candidates for the collagen stimulation protocols available with this device.
As with any laser treatment, a thorough consultation and skin type assessment with a board-certified dermatologist is essential before proceeding, to determine appropriate settings and ensure the treatment is matched to the individual’s skin concerns and goals.
What to Expect During Treatment
Treatment sessions with the Xerf are generally well tolerated. Most patients describe a warm sensation during energy delivery, with some experiencing mild snapping or stinging depending on the indication and settings used. For vascular and pigment treatments, topical numbing cream may be applied beforehand to improve comfort.
Session length varies depending on the area and indication being treated, typically ranging from 20 to 45 minutes. For rejuvenation and toning protocols, multiple sessions spaced several weeks apart are usually recommended to achieve cumulative collagen stimulation and the best overall improvement in skin quality.
Results and Recovery
For non-ablative rejuvenation and toning treatments, there is generally no downtime. Mild redness may appear immediately after a session but typically resolves within a few hours. Patients can return to their normal routine the same day.
For vascular and pigment treatments, some temporary redness, mild bruising, or darkening of treated spots may occur, which resolves over days to a few weeks depending on the indication treated. Sun protection is important following any laser treatment to protect the skin and support optimal results.
Results from collagen-stimulating protocols develop gradually over the course of several weeks following each session, with continued improvement seen over a full treatment series. Vascular and pigment results are often visible sooner, with treated vessels and spots gradually fading over two to four weeks.
How the Xerf Fits Within Korean Laser Technology
Korean medical device companies like Lutronic have been at the forefront of developing high-performance laser systems that prioritize both clinical outcomes and patient comfort. The Xerf reflects this approach, combining a proven wavelength with refined delivery technology to expand the range of patients and conditions that can be safely and effectively treated.
For patients interested in the innovation coming out of Korea’s aesthetic medicine industry, the Xerf represents a strong example of how established laser science is being refined and reimagined for modern clinical practice.
Learn More About Laser Treatments for Vascular and Pigment Concerns
To learn more about whether a long-pulsed Nd:YAG laser treatment may be right for your skin concerns, schedule a consultation with Dr. Yoo.