1057 citations
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November 2011 in “Annals of Biomedical Engineering” This review discusses the applications of low level laser therapy (LLLT) in wound healing, pain reduction, and treating various conditions, but reports no new clinical results; the authors highlight the need for randomized controlled trials for serious diseases.
433 citations
,
April 2015 in “Photomedicine and laser surgery” This editorial discusses the terminology and distinctions between Low-Level Light/Laser Therapy and Photobiomodulation Therapy but reports no new clinical findings.
165 citations
,
August 2013 in “Lasers in Surgery and Medicine” This review discusses the potential mechanisms and evidence supporting low-level laser therapy for stimulating hair growth in men and women, while noting its safety and effectiveness but needing further study on specific parameters.
160 citations
,
December 2016 in “Journal of biophotonics” This review discusses the evolution and potential of photobiomodulation therapy, highlighting its transition from skepticism to recognition in medical research; it reports no new experimental findings.
75 citations
,
August 2003 in “International journal of cosmetic surgery and aesthetic dermatology” This study found that low level laser therapy with a HairMax LaserComb improved hair counts and tensile strength in patients with androgenetic alopecia, particularly in males and vertex areas.
64 citations
,
October 2020 in “Journal of lasers in medical sciences” This review discusses the benefits and drawbacks of low-level laser therapy for various non-surgical conditions based on existing literature, but reports no new clinical findings and suggests further research is needed.
60 citations
,
December 2015 in “Lasers in Medical Science” This review concluded that FDA-cleared low-level laser therapy devices are safe and effective for patients with male and female pattern hair loss who do not respond to or tolerate standard treatments.
45 citations
,
December 2018 in “Lasers in Medical Science” In a 24-week randomized trial, this study found that the RAMACAP laser helmet significantly increased hair density and diameter in androgenetic alopecia patients compared to a sham device, although limitations included a small sample size and potential issues with the control used.
45 citations
,
January 2014 in “International Journal of Trichology” This study found that low-level laser therapy may improve hair growth in patients with androgenetic alopecia, either as a standalone treatment or combined with minoxidil or finasteride, without reported adverse reactions.
41 citations
,
December 2017 in “Lasers in Medical Science” This study found that low-level laser therapy may significantly improve androgenic alopecia in both men and women, either alone or alongside treatments like minoxidil and finasteride.
33 citations
,
March 2017 in “Dermatologic Surgery” In this clinical study, low-level laser therapy using the HANDI-DOME LASER device increased hair counts by 51% compared to controls, indicating its potential as a safe and effective treatment for androgenetic alopecia in women aged 18 to 60.
32 citations
,
September 2016 in “Dermatologic Surgery” This review discusses the current evidence and highlights gaps in research needed for the wider acceptance of low-level laser therapy as a treatment for hair loss; no new clinical results are provided.
22 citations
,
September 2014 in “Veterinary Dermatology” This study found that low-level laser therapy may have promising effects on hair regrowth in dogs with noninflammatory alopecia, with most animals showing improvement after treatment.
21 citations
,
January 2019 in “Lasers in Medical Science” This review found that low-level laser therapy significantly increased hair density in adults with androgenic alopecia compared to sham treatments, with greater effects observed at lower treatment frequencies.
20 citations
,
July 2020 in “Expert Opinion on Biological Therapy” This study found that combining micro-needling, low-level laser therapy, and autologous non-activated platelet-rich plasma increased hair density in patients with androgenic alopecia over the treatment period.
17 citations
,
October 2021 in “Journal of Cosmetic Dermatology” This review found that topical immunotherapy and light/laser therapy may achieve over 50% hair regrowth efficacy in treating extensive alopecia areata in children, with no serious side effects observed.
16 citations
,
December 2017 in “Journal of The American Academy of Dermatology” This study found that low-level laser therapy may reduce inflammation and increase hair thickness in patients with lichen planopilaris after six months of treatment, though the small sample size limits the findings.
15 citations
,
June 2015 in “Lasers in Medical Science” This study found that low-level laser therapy with an 830-nm wavelength most significantly stimulated hair growth in rats, compared to other wavelengths tested.
15 citations
,
May 2015 in “Photomedicine and Laser Surgery” This review assesses low-level laser therapy in plastic surgery and reports that it may improve flap survival and burn scars, but lacks efficacy for venous ulcers, alopecia, and skin aging.
13 citations
,
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.
12 citations
,
March 2019 in “Lasers in Surgery and Medicine” This study found that low-level laser therapy increased the expression of proteins in dermal papilla tissues, suggesting it promotes hair growth in male androgenetic alopecia patients.
11 citations
,
January 2020 in “Skin appendage disorders” This study reviewed clinical trials and found that low-level laser therapy significantly increased hair diameter or density in both men and women with pattern hair loss compared to a sham device, though the involvement of industry relationships in some studies suggests cautious interpretation.
8 citations
,
September 2021 in “Facial plastic surgery & aesthetic medicine” This systematic review found that low-level light/laser therapy showed a positive effect in treating male and female pattern hair loss without side effects, as reported by all analyzed randomized controlled trials.
7 citations
,
March 2020 in “Lasers in Medical Science” LLLT is a safe, promising hair loss treatment, but more research needed.
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.
6 citations
,
December 2017 in “Journal of Cosmetic and Laser Therapy” This study evaluated low-level laser therapy for treating Androgenic alopecia and suggested it may effectively stimulate hair growth and improve patient satisfaction, although more efficient treatments are needed.
6 citations
,
January 2016 in “Journal of lasers in medical sciences” This study found that a single session of low level laser irradiation did not significantly affect hair growth outcomes in transplanted follicles for patients with androgenic alopecia.
5 citations
,
January 2021 in “Veterinary dermatology” This study found that adding low-level laser therapy to conventional treatment for canine acral lick dermatitis significantly increased hair growth compared to conventional therapy alone, but did not significantly reduce licking behavior.
5 citations
,
November 2014 in “Hair transplant forum international” This article introduces a series on low level laser light therapy, focusing on its science, regulatory aspects, and controlled trial methodologies, but reports no new clinical results.
4 citations
,
March 2019 in “Journal of Pure and Applied Microbiology” This study investigated the anti-inflammatory effects of a 940nm diode laser in Wistar rats with carrageenan-induced arthritis and found that a 74J/cm² energy density significantly reduced edema and restored function, whereas 171J/cm² neared thermal exposure limits for the skin.