January 2026 in “Journal of Hard Tissue Biology” This study found that red LED photobiomodulation significantly enhanced both the metabolic activity and proliferation of human placenta-derived pericytes, alongside increased expression of angiogenic markers, suggesting a potential non-invasive approach to aid tissue repair and vascular regeneration.
2 citations
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December 2024 in “Journal of Photochemistry and Photobiology B Biology” This study suggests that pulsed wave photobiomodulation could be a promising treatment for androgenetic alopecia by enhancing dermal papilla cell function through specific light parameters, particularly frequency.
8 citations
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November 2020 in “Optics and Laser Technology” This review discusses the applications and advantages of LED-based photobiomodulation therapy for dermatological and cosmetic purposes but highlights existing challenges and health concerns while exploring future perspectives.
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.
2 citations
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May 2023 in “Photobiomodulation, photomedicine, and laser surgery” This editorial reviews how photobiomodulation therapy might effectively treat both hyperpigmentation and depigmentation skin disorders, but reports no new clinical results.
5 citations
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October 2023 in “International Wound Journal” In this study, a novel portable LED device significantly accelerated wound healing in rats, with faster wound closure, increased collagen deposition, and more microvessels at a higher radiation intensity, suggesting its potential for innovative wound management.
November 2025 in “Revista Multidisciplinar do Nordeste Mineiro” This study's review of existing literature suggests potential benefits of red LED photobiomodulation for treating telogen effluvium, but highlights a lack of standardized parameters and calls for further controlled trials.
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.
March 2026 in “Quality in Sport” This review evaluates photobiomodulation's diverse clinical uses in sports and medicine, reporting physiological modulation and potential therapeutic benefits, but emphasizes the importance of precise dosimetry for success.
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.
June 2026 in “Ophthalmology and Therapy” This review concluded that near-infrared and red light photobiomodulation shows potential for certain ocular conditions like age-related macular degeneration and dry eye disease, but clinical evidence is still mixed and insufficient to establish it as a standard therapy.
January 2024 in “Annals of Agricultural and Environmental Medicine” This study observed that LED therapy improved hair regrowth and reduced hair loss in patients with post-COVID telogen effluvium, with or without androgenetic alopecia, compared to those who did not receive LED treatment.
41 citations
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October 2024 in “Nature Communications” In this study, researchers developed a wearable red and blue LED patch and a sprayable fibrin gel to treat infected wounds at home, demonstrating effective infection control and enhanced wound healing in diabetic mice and minipigs.
33 citations
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January 2021 in “Aesthetic Surgery Journal” This review suggested that low-level light therapy using red/near-infrared light could be a safe and effective treatment for various skin and hair conditions, though more robust trials are needed to solidify its clinical utility.
This review of existing literature reports that photobiomodulation shows high effectiveness and safety in treating dermatological conditions like acne, psoriasis, and alopecia, though standardized clinical trials are needed to further validate its therapeutic benefits.
62 citations
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July 2018 in “Lasers in Medical Science” In this review, the researchers highlight LED therapy as an emerging and safe treatment for skin inflammatory conditions, aging, and hair growth disorders, noting its integration into dermatological practice but emphasizing the need for more controlled studies to confirm its efficacy.
18 citations
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January 2023 in “Nano Research” This study found that red OLED irradiation can significantly promote hair regrowth in mice, increasing hair length by 1.5 times and hair regrowth area by over 3 times after 20 days of treatment.
1 citations
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November 2021 in “IntechOpen eBooks” This review covers red light Transcranial LED therapy for hippocampal memory impairment in aging and Alzheimer's but reports no clinical results, highlighting a need for further research into its mechanisms and effects.
520 citations
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January 2017 in “AIMS biophysics” This review discusses the effects of photobiomodulation, particularly its potential to reduce inflammation in various conditions, but it does not report new clinical findings.
43 citations
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September 2017 in “Lasers in Surgery and Medicine” This study found that LED light irradiation induced proliferation and migration of human outer root sheath cells, potentially through the stimulation of the Wnt/β-catenin and ERK signaling pathways.
August 2025 in “Photodermatology Photoimmunology & Photomedicine” This review found that LED therapy, using light in specific wavelengths, may offer effective, non-invasive treatment options for various skin conditions, including acne, melasma, photoaging, and wound healing.
This review discusses the mechanisms, scientific support, and FDA clearance of photobiomodulation mask devices but reports no new research findings.
14 citations
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November 2022 in “Archives of Dermatological Research” This study found that a green-light LED microneedle patch enhanced hair growth in mice with the best results among tested wavelengths, showing increased hair follicles and no serious side effects, suggesting its potential for treating androgenetic alopecia.
16 citations
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April 2025 in “Journal of the American Academy of Dermatology” In this study, an expert panel established a consensus guideline indicating that photobiomodulation is a safe and effective treatment for various conditions, including peripheral neuropathy and androgenic alopecia.
25 citations
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February 2023 in “Aesthetic Surgery Journal” This review concludes that current clinical and preclinical evidence does not indicate oncologic safety concerns linked to photobiomodulation therapy for skin rejuvenation, including no clear evidence of increased cancer risk.
December 2025 in “Lasers in Medical Science” This study found that combining photobiomodulation therapy with minoxidil significantly improved hair quality and reduced telogen-phase hair counts more effectively than minoxidil alone in women with female pattern hair loss over a shorter 12.5-week period.
January 2024 in “Updates in clinical dermatology” Photobiomodulation effectively stimulates hair growth and reduces hair loss.
October 2022 in “Journal of ophthalmology” This review discusses the implementation and mechanisms of photobiomodulation therapy in various medical fields, including ophthalmology, and reports no new clinical results.
7 citations
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March 2019 in “Medicine” This protocol outlines a study aiming to determine if combining 660 nm red laser photobiomodulation and microneedling increases hair density in female pattern hair loss, but it reports no results yet.
10 citations
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November 2019 in “Journal of Dermatological Treatment” This study revealed that photobiomodulation significantly improved hair density in androgenetic alopecia patients, with laser treatments being more effective than combined laser/LED treatments, while device style did not significantly affect outcomes.