How come beard hair on minoxidil is permanent while scalp hair while on it under fin/duta is not?
    Minoxidil 2/14/2025

    At a glance
    In this question or advice post, the primary subjects mentioned are
    Minoxidil a few years
    Dutasteride 10 years
    the tone is 😐 neutral.

    Other terms

    Beard hair grown with minoxidil can become permanent because it is not sensitive to DHT, unlike scalp hair, which requires ongoing minoxidil use even with DHT blockers like finasteride or dutasteride. Dutasteride reduces scalp DHT significantly but not completely, which may explain why scalp hair still needs minoxidil for maintenance.
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