Red And Green LED Light Therapy: A Comparative Study In Androgenetic Alopecia

    Jiratchaya Tantiyavarong, Sasin Charoensuksira, Jitlada Meephansan, Sirashat Hanvivattanakul, Yossawat Rayanasukha, Thitikorn Boonkoom, Kittipong Tantisantisom
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    TLDR Red LED therapy is more effective than green LED for improving hair growth in androgenetic alopecia.
    The study compared the effects of red and green LED light therapy on androgenetic alopecia (AGA) in 17 participants over 6 months. Both therapies significantly improved hair growth, increasing hair diameter and non-vellus hair density, with high patient satisfaction. Red LED therapy showed superior results in reducing vellus hair density and increasing hair diameter compared to green LED therapy. Minimal adverse effects were reported, making both therapies safe and viable alternatives for managing AGA.
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