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.
July 1998 in “Proceedings of SPIE” This study found that Low Power Laser therapy may be an effective complementary treatment for scalp alopecia and crural ulcers, showing quicker and potentially better results than conventional treatments.
6 citations
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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.
1 citations
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August 2019 in “Journal of Dentistry Indonesia” This ex vivo study reported that a 645-nm wavelength red-light laser can penetrate and reach cells in the various layers of swine oral mucosa and periosteum tissue samples.
24 citations
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May 2017 in “Journal of Cosmetic and Laser Therapy” This study reported that a new laser scanner using 655 nm red and 808 nm infrared lasers significantly improved hair density in patients with androgenic alopecia compared to both a laser hat and no treatment, without observable adverse effects.