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Glossary Excimer Laser

ultraviolet laser used in precise medical and dermatological treatments

An Excimer Laser is a form of ultraviolet laser that is commonly used in medical and dermatological treatments, including the treatment of skin conditions like psoriasis and vitiligo. It works by emitting concentrated beams of UVB light, which can target specific areas of the skin without affecting the surrounding tissue. This precision makes it useful for procedures like LASIK eye surgery and for stimulating hair regrowth in conditions like alopecia areata.

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research Excimer lamp as an effective alternative treatment for severe alopecia areata

4 citations , December 2014 in “Dermatologica sinica/Zhōnghuá pífūkē yīxué zázhì”

In this study, the 308-nm excimer lamp was reported to be a safe alternative treatment for alopecia areata, with a 41.1% overall response rate and a 50% response rate in severe cases.

research Use of Excimer Lamp and Topical Tofacitinib 2% Gel in the Treatment of Pediatric Alopecia Areata: A Case Report

May 2025 in “Cureus”

This case study reports that a pediatric patient with recalcitrant alopecia areata was treated using a 308 nm excimer lamp and topical tofacitinib 2% gel.

research 308-nm Excimer Lamp vs. Combination of 308-nm Excimer Lamp and 10% Liquor Carbonis Detergens in Patients With Scalp Psoriasis: A Randomized, Single-Blinded, Controlled Trial

8 citations , June 2021 in “Frontiers in Medicine”

This study reported that the combination of a 308-nm excimer lamp and 10% liquor carbonis detergens significantly improved scalp psoriasis symptoms compared to the excimer lamp alone, with more patients achieving 75% reduction in their Psoriasis Scalp Severity Index.

research Efficacy and Influence Factors of 308‐nm Excimer Lamp with Minoxidil in the Treatment of Alopecia Areata

4 citations , January 2020 in “Lasers in Surgery and Medicine”

This study found that combining a 308-nm excimer lamp with minoxidil led to significant hair regrowth in alopecia areata patients, with side effects like hyperpigmentation being tolerable.

research Assessing the Efficacy of Monthly 308 nm Excimer Lamp Double-Stacked Pulse Adjusted Therapy for Alopecia Areata

1 citations , November 2023 in “Skin Appendage Disorders”

This study found that 308 nm excimer lamp therapy provides a good clinical response with fewer adverse effects for limited alopecia areata but is less effective for widespread hair loss like alopecia totalis.

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