Low-Level Laser Therapy in Androgenetic Alopecia: Narrative Review

    March 2023 in “ Medical lasers ”
    Hyun Seok Ryu, Byong-Taek Lee, Andrew Padalhin, Phil-Sang Chung, Seung Hoon Woo
    TLDR Low-level laser therapy is a safe and effective treatment for hair loss.
    The narrative review on low-level laser therapy (LLLT) for androgenetic alopecia (AGA) discusses various studies and trials that have explored the efficacy of LLLT in promoting hair growth. The review highlights that LLLT, using devices such as helmets and combs emitting red light, has shown promising results in both men and women with AGA. Multiple randomized, double-blind, sham device-controlled trials, including those with durations of 16 to 24 weeks, have demonstrated significant improvements in hair density and thickness. The review also notes that combining LLLT with other treatments like minoxidil can enhance outcomes. Overall, LLLT is presented as a safe and effective option for managing AGA, with minimal side effects reported.
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      Key treatments for hair preservation include minoxidil, finasteride/dutasteride, and microneedling, with additional options like specific shampoos, oils, biotin, zinc, tretinoin, clascoterone, and low-level laser therapy. Maintaining a healthy lifestyle, reducing stress, and addressing nutrient deficiencies can also support hair health.
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