Minoxidil Stimulates Cutaneous Blood Flow in Human Balding Scalps: Pharmacodynamics Measured by Laser Doppler Velocimetry and Photopulse Plethysmography

    Ronald C. Wester, Howard I. Maibach, Richard H. Guy, E. Novak
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    TLDR Minoxidil increases blood flow in balding scalps, possibly reversing hair loss.
    A study from 1984 found that topical minoxidil increased blood flow in balding scalps, potentially leading to a reversal of alopecia. The study suggested that multiple daily applications may improve efficacy, and recommended further studies to evaluate the clinical relevance to hair growth.
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