any experiences with ghk-cu for hair loss?
    Treatment 5/23/2026

    At a glance
    In this question or advice post, the primary subjects mentioned are
    💧 GHK-Cu (topical) 4%
    the tone is 😐 neutral.

    Other terms

    GHK-Cu is discussed for hair loss treatment, with some users reporting positive results using a 4% topical serum, but concerns exist about the long-term safety of oral or injectable forms. The original poster also uses finasteride and plans to start dutasteride.
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