Alright, so what’s the best way to lower scalp DHT with the least impact on serum DHT?
    7/2/2025

    From the encyclopedia
    Finasteride →

    Popular 5-alpha reductase inhibitor that lowers DHT, taken as a pill or used topically

    Dutasteride →

    5-alpha reductase inhibitor that blocks both enzyme types, a stronger DHT blocker than finasteride

    At a glance
    In this question or advice post, the primary subjects mentioned are
    💧 Finasteride (topical)
    💊 Dutasteride (oral) once a week
    • Dutasteride (mesotherapy)
    the tone is 😐 neutral.

    Other terms

    Topical finasteride affects serum DHT less than oral forms, while dutasteride mesotherapy may impact only the scalp with minimal serum DHT effects. Oral dutasteride once a week is suggested to have few side effects.
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