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.
October 2024 in “Dermatologic Surgery” In this study, low-level laser/LED therapy significantly increased hair density in patients with androgenetic alopecia compared to placebo over 4 to 26 weeks; however, the efficacy for other alopecia types remains unclear, requiring further research.
117 citations
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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.
Low level laser or LED therapy combined with infiltrations may help hair growth.
September 2022 in “Applied sciences” This study found that adding microneedling with low-level LED therapy and growth factors to Finasteride® treatment led to significant hair regrowth and increased hair density in patients with androgenic alopecia.
6 citations
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September 2022 in “Journal of Clinical Medicine” This study reported that micro-needling with Low-Level LED Therapy and Growth Factors may improve hair density in mild-to-moderate hair loss and telogen effluvium related to COVID-19, based on preliminary observations.
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.
January 2026 in “Forum Dermatologicum” This review concluded that LED-based photobiomodulation is generally safe and effective for certain dermatologic conditions, though consumer devices often show less efficacy compared to professional systems.
6 citations
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October 2018 in “Lasers in Medical Science” This article explores the potential of photobiomodulation for coronary health, suggesting protective effects after heart attacks and in inaccessible ischemic heart conditions, but presents no new clinical results.
December 2024 in “Journal of Biophotonics” In this study, researchers observed that red and red-orange LED light therapy stimulates nitric oxide production and decreases dihydrotestosterone synthesis in cell models, suggesting a potential mechanism for using light therapy to treat androgenetic alopecia.
October 2025 in “Dermatologica Sinica” This study's network meta-analysis reported that botulinum injection combined with red laser and topical minoxidil is most effective for increasing hair density in androgenetic alopecia when using low-level laser therapy.
February 2025 in “Journal of Biophotonics” This study found that using dual-wavelength low-level laser therapy is more effective for hair regrowth in mice than single-wavelength treatment and significantly better than no treatment, based on 14 days of phototherapy with LED lights.
January 2024 in “Updates in clinical dermatology” Photobiomodulation effectively stimulates hair growth and reduces hair loss.
This study found that home use of low-level light therapy reduced inflammation and symptoms like itching and burning in women with frontal fibrosing alopecia over six months.
This article reviews low-level light therapy for various types of hair loss and reports no new clinical results; the authors note its safety and advantages but lack data on individual treatment response.
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.
June 2025 in “Journal of Education Health and Sport” This review highlights that while finasteride and minoxidil effectively treat androgenetic alopecia, emerging options like dutasteride, mesotherapy, androgen blockers, and red LED therapy show promising results, especially when used in combination, though further research is needed for standardization and safety confirmation.
This study introduced a new laser-only method called EKA for acne treatment, which is reported to be safe, painless, and heat-free, showing promising results for both acne and scar repair in initial sessions without combining with LED light.
81 citations
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July 2011 in “Lasers in Medical Science” This study found that using a low-level laser comb led to hair regrowth in a mouse model of alopecia areata, while sham-treated mice showed no hair regrowth.
October 2022 in “Journal of advances in medicine and medical research” This study found that low-level laser therapy combined with NB-UVB therapy led to improvement in re-pigmentation for many stable vitiligo patients, with minimal and transient side effects.
April 2025 in “Journal of Applied Cosmetology” This study found that a combination of microneedling with growth factors and low-level light therapy led to visible hair regrowth without side effects in a patient with trichotillomania.
31 citations
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June 2018 in “Dermatologic Surgery” In this randomized, double-blind trial, researchers observed that low-level laser therapy led to significantly greater hair regrowth on treated areas compared to a sham treatment in patients with androgenetic alopecia over 24 weeks, suggesting it as a potentially effective and safe option.
This study observed that both 15% topical Minoxidil and low-level laser therapy increased patient satisfaction in treating androgenetic alopecia, but physician satisfaction was higher for Minoxidil, despite it causing more side effects.
20 citations
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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.
6 citations
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January 2021 in “Annals of Dermatology” This study found that 650-nm red light treatment promoted hair follicle proliferation and delayed the transition from anagen to catagen in ex vivo hair follicles from androgenetic alopecia patients, with RNA-seq analysis suggesting involvement of biological processes like metabolism and leukocyte migration.
1 citations
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June 2022 in “Zenodo (CERN European Organization for Nuclear Research)” This study reports a rare case of alopecia areata on the scalp that was successfully treated with Sunetics Laser therapy, resulting in hair regrowth and repigmentation in areas of previous hair loss.
July 2026 in “Journal of the American Academy of Dermatology” Rosemary oil may be a promising and affordable treatment for hair loss.
April 2024 in “Lasers in medical science” This study reviews the use of lasers and light therapies as treatment options for managing the two most common types of alopecia—androegenetic alopecia and alopecia areata—highlighting that existing FDA-approved drugs like minoxidil and finasteride are partially effective, necessitating additional therapeutic approaches.
April 2022 in “Zenodo (CERN European Organization for Nuclear Research)” This study concluded that combining platelet-rich plasma with low-level light therapy was more effective than combining it with minoxidil or using light therapy alone for treating androgenetic alopecia.
January 2019 in “Journal of clinical and cosmetic dermatology” This article discusses the potential of combining growth factor therapy with LLLT LED therapy for hair regrowth in androgenetic alopecia, but it does not report new clinical results.