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.
25 citations
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October 2022 in “Ophthalmic Research” In this study, 650 nm low-level red light therapy may cause a short-term transient increase in retinal fovea perfusion density in children, with no lasting effects observed at 1 hour post-treatment.
4 citations
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October 2009 in “Skin research and technology” This study found that tristimulus colorimetry is a sensitive and quantitative method for projecting hair growth rates in depilated mice, and it observed that 890 nm LED irradiation promotes hair regrowth.
April 2021 in “JOJ dermatology & cosmetics” This study found that a combination treatment of laser photobiomodulation and plasma jet therapy was effective in improving alopecia areata in a 38-year-old woman after 14 sessions over three months, as evidenced by comparative photo documentation.
May 2017 in “Journal of The American Academy of Dermatology” LED light helps human hair root cells grow and move by activating certain cell pathways.