Topical minoxidil for hair regrowth

    Evelyn E. Vanderveen, Charles Ellis, Sewon Kang, Patrice C. Case, John T. Headington, John J. Voorhees, Neil A. Swanson
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    TLDR 5% minoxidil helps hair regrowth in androgenic alopecia.
    The study investigated the effectiveness of 1% or 5% topical minoxidil in stimulating scalp hair regrowth in patients with androgenic alopecia and alopecia areata. Patients with androgenic alopecia using 5% minoxidil for 12 months noted hair regrowth, while none of the patients with alopecia areata receiving either 1% or 5% minoxidil noted hair regrowth. The study suggests that improved local absorption of topical minoxidil solution may promote hair regrowth in androgenic alopecia.
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