April 2020 in “The Aesthetics” This article discusses the applications and proposed benefits of LED low level light therapy for various conditions like acne, wound healing, and pain relief, but provides no new clinical results.
117 citations
,
September 2013 in “Lasers in Surgery and Medicine” This study found that low level laser therapy at 655 nm significantly increased hair counts in males with androgenetic alopecia.
85 citations
,
January 2002 in “Dermatologic Clinics” This article reviews the use of light-based technologies for hair removal, detailing different laser systems and treatment protocols, but reports no new clinical results.
6 citations
,
September 2018 in “Journal of Dermatological Treatment” This review examines the FDA's 510(k) approval process for low-level laser therapy devices used in treating androgenetic alopecia and reports no new clinical findings.
3 citations
,
August 1995 in “Journal of Clinical Laser Medicine & Surgery” Using a CO₂ laser for hair transplants improves the surgery and may become important in future hair restoration.
June 2011 in “CRC Press eBooks” Low-Level Laser Therapy can stimulate healing and cell function, potentially leading to wider medical use.
March 2026 in “Health Science Reports” Among individuals with skin types II and III, this study found the 755 nm laser more effective for axillary hair removal than the dual-wavelength laser, with a better safety profile and enduring results up to 12 months.
16 citations
,
April 2020 in “Dermatology practical & conceptual” This article reviews the use of laser and light-based devices for hair removal, highlighting their effectiveness in significantly reducing hair growth in individuals with fair skin and dark hair, and suggests that photoepilation offers advantages over traditional hair removal methods.
13 citations
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December 2017 in “Journal of Cosmetic and Laser Therapy” This study evaluated the use of low-level laser therapy for treating androgenic alopecia in adults, finding it a promising and safe at-home option for stimulating hair growth compared to sham devices, though further research is needed to confirm its clinical effectiveness.
15 citations
,
January 2008 in “PubMed” This article reviews considerations and requirements for performing laser hair removal and reports no new clinical results.
November 2022 in “Pakistan Armed Forces Medical Journal” This study found that intense pulse light and diode laser treatments were similarly effective and tolerable for reducing unwanted facial hair in female patients with hirsutism, with no significant differences in hair reduction, adverse effects, or patient satisfaction between the two methods.
January 1998 in “Lasers in Surgery and Medicine” This study found that both 5-ALA and Photofrin can effectively destroy human microvascular endothelial cells in vitro and cause tissue necrosis in vivo, with Photofrin showing greater efficacy at lower concentrations or power densities.
3 citations
,
October 2022 in “Clinical, Cosmetic and Investigational Dermatology” This study found that repetitive 532 nm laser therapy significantly decreased scores for macules, pigmented, and vascular lesions on the facial area, regardless of skin phototype or age.
July 2026 in “Journal of the American Academy of Dermatology” Higher fluence low-level laser therapy effectively promotes hair growth in androgenetic alopecia, with varying effects based on sex.
1 citations
,
March 2019 in “Lasers in Surgery and Medicine” This article contains the late-breaking abstracts from the 39th Annual Conference of the American Society for Laser Medicine and Surgery and does not present new research results.
160 citations
,
January 2009 in “Clinical Drug Investigation” This study found that the HairMax LaserComb® significantly increased hair density and was safe and well tolerated for treating androgenetic alopecia in men compared to a sham device.
7 citations
,
January 2003 in “Journal of cosmetic and laser therapy” This study concluded that the Spa Touch system effectively retards hair regrowth, functioning like a "light razor" for quick and cost-effective epilation.
21 citations
,
December 2022 in “Pharmaceutics” This review found that laser-assisted drug delivery in humans was associated with several adverse effects, but no life-threatening events were reported in the studies examined.
17 citations
,
January 2021 in “Dermatology and Therapy” This review discusses laser-assisted drug delivery for enhancing topical treatment efficacy in various dermatological and medical applications but reports no new clinical results, emphasizing the need for further research to optimize its use.
January 2018 in “Archives of dermatology and skin care” This systematic review found widespread support in existing literature for the effectiveness of low level laser therapy in promoting hair growth, but emphasized the need for larger case-controlled studies to confirm these results.
6 citations
,
October 2020 in “Actas Dermo-Sifiliográficas” This review discusses the effectiveness of low-level laser therapy for androgenetic alopecia, finding significant increases in hair density and growth for individuals treated with this method.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that using a commercially available IPL home-use device led to significant hair reduction and demonstrated long-term efficacy in maintaining hair reduction one year after treatment.
January 2014 in “프로그램북(구 초록집)” This review discusses various light and laser treatments for hair loss, highlighting potential benefits but emphasizes the need for more scientific evidence before recommendations can be made.
2 citations
,
January 2007 in “Journal of The American Academy of Dermatology” Red and infrared light therapy improves hair growth in balding patients.
September 2012 in “Dermatologic Surgery” This article reviews the use of laser and light technologies in hair treatments, highlighting their potential and challenges, but provides no new clinical findings.
81 citations
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August 2014 in “Lasers in Surgery and Medicine” This study found that low-level laser therapy significantly increased hair growth in women with androgenic alopecia, achieving a 37% greater increase in hair counts compared to placebo.
December 2018 in “Zenodo (CERN European Organization for Nuclear Research)” This review of low-level laser therapy for patterned hair loss found that red-spectrum light may be effective for hair growth, but larger case-controlled studies are needed to further support this conclusion.
2 citations
,
October 2014 in “International Journal of Trichology” Low-level laser therapy may increase hair density in pattern hair loss.
This study found that in-person photobiomodulation treatments improved hair growth in men and some women with androgenetic alopecia, except for the laser band and combination laser/LED helmet in women.
January 2018 in “Springer eBooks” This abstract describes the use of lasers in hair transplantation for creating recipient sites and enhancing hair growth but reports no new findings.