Dose-Response Study of Topical Minoxidil in Male Pattern Baldness

    Elise A. Olsen, Elizabeth R. DeLong, Madeline S. Weiner
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    TLDR Lowest effective minoxidil concentration is 1%, but 2% works better for male pattern baldness.
    This study aimed to determine the lowest effective concentration of topical minoxidil for male pattern baldness. The study found that 1% topical minoxidil was the lowest effective concentration, while 2% topical minoxidil had more impressive responses. The study also found that topical minoxidil limited to 1 ml twice daily in concentrations to 2% produced no significant side effects in this healthy male population. The study concluded that 2% topical minoxidil will probably remain the preferred treatment for male pattern baldness until further studies comparing its efficacy to 1% topical minoxidil over a longer time period are performed.
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