RU58841 - Has anyone tried it before?
    4/30/2026

    From the encyclopedia
    RU58841 →

    a potent but unapproved and potentially problematic topical anti-androgen

    Finasteride →

    Frontline, gold standard treatment for combatting androgenic alopecia

    Dutasteride →

    Heavy duty finasteride that comes with higher risks

    At a glance
    In this question or advice post, the primary subjects mentioned are
    💧 RU58841 (topical) 100mg 1x daily 1 month
    💊 Finasteride (oral) years
    💊 Dutasteride (oral) years
    the tone is 😐 neutral with some growth results.

    Other terms

    RU58841 is discussed as an effective hair loss treatment, with some users experiencing regrowth and reduced shedding, but concerns about safety and sourcing are raised. Users advise against purchasing from Amazon, recommending reputable sources and cautioning about potential side effects like cardiovascular issues.
    View this post in the Community →

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      community Thoughts on this hair product mix?

       22 upvotes 2 months ago
      The user is using a combination of 6% minoxidil, 0.3% finasteride spray in the morning, and 5% RU58841 in the evening for hair loss, considering it an aggressive approach. They are concerned about absorption issues and prefer topical treatments to avoid systemic side effects, especially while using anabolic steroids.

      community What is the ultimate hair regrowth protocol

       29 upvotes 1 year ago
      The conversation covers aggressive hair regrowth treatments like Dutasteride, Minoxidil (oral and topical), RU58841, microneedling, and ketoconazole shampoo. It also mentions PRP, laser therapy, GHK-Cu injections, and hormone therapy for maximum regrowth.

      community Taking Charge of Your Hair: The "Big 3 Stack" Explained for 2023

       129 upvotes 3 years ago
      The "Big 3 Stack" for hair loss treatment, which includes Minoxidil for hair density improvement, Ketoconazole shampoo for enhancing hair volume and thickness, and Finasteride for blocking hair loss causing hormones. Microneedling can boost Minoxidil's effects.

      community Why is it "not right" to start off with Dutasteride?

      in Finasteride/Dutasteride  60 upvotes 2 years ago
      The conversation discusses whether it's better to start hair loss treatment with finasteride or dutasteride. Opinions vary, but many suggest starting with finasteride due to its shorter half-life and easier management of side effects, while others argue dutasteride is more effective and has fewer side effects.

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