Thoughts on new drug PP405? Already reached phase 2
    6/9/2025

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    💊 Finasteride (oral) 0.625mg daily 6 months
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    PP405 is a new drug in Phase 2 trials for hair loss, generating cautious optimism among users. Some users are currently using finasteride and experiencing side effects, while others are skeptical about unapproved products being sold.
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      community PP405 Might Be the Closest We Have to a Upcoming Cure

      in Technology  237 upvotes 1 year ago
      PP405 is considered a promising potential cure for hair loss, with phase 2 trial results expected in February 2025. Hair cloning is also discussed as a potential ultimate solution, despite significant scientific challenges.

      community VDPHL01 phase-2/3 results comparison

      in Research/Science  128 upvotes 4 months ago
      The conversation discusses hair loss treatments, focusing on a new slow-release oral minoxidil compared to topical minoxidil and finasteride. The results show that twice-daily dosing of the new treatment is slightly more effective than once-daily, but concerns about cost, side effects, and the accuracy of reported results remain.

      community The expected timeline for PP405 - Next update at AAD Annual Meeting in March 2026 ?

       34 upvotes 8 months ago
      A new hair loss treatment, PP405, showed promising Phase 2a results with 31% of patients experiencing over 20% hair density increase without systemic absorption, avoiding hormonal side effects. The treatment is expected to be expensive, with Phase 3 trials starting mid-2026, and there is skepticism about the data's strength.

      community The Cure isn't 5 years away; it's already here.

      in Research/Science  1005 upvotes 1 year ago
      PP405 is a new topical treatment for hair loss, showing promise in trials but still requires finasteride for maintenance. There is skepticism about its effectiveness and safety, with concerns about needing finasteride to maintain results.

    Related Research

    6 / 6 results
      Recent Advances in Drug Development for Hair Loss

      research Recent Advances in Drug Development for Hair Loss

      April 2025 in “International Journal of Molecular Sciences”
      This review highlights the limitations of existing hair loss treatments like minoxidil and finasteride and suggests that future therapies may benefit from focusing on antibody and cell-based treatments, which offer targeted and potentially transformative options for managing hair loss disorders.
      New Therapeutics in the Management of Androgenetic Alopecia

      research Nouvelles thérapeutiques dans la prise en charge de l’alopécie androgénétique

      March 2025 in “HAL (Le Centre pour la Communication Scientifique Directe)”
      This thesis investigates the underlying mechanisms and treatment options for androgenetic alopecia, highlighting the molecular roles of androgens and genetic predispositions, and evaluates current and emerging therapies, such as PROTACs and Janus Kinase inhibitors, to enhance patient management.
      PP405 in Alopecia: An Emerging Molecule Worth Investigating

      research PP405 in Alopecia: An Emerging Molecule worth Investigating

      January 2026 in “Journal of Community Medicine and Health Solutions”
      In this study, the novel topical agent PP405 showed favorable tolerability and increased hair density by over 20% in men with advanced androgenetic alopecia after eight weeks, suggesting a promising potential treatment pending further trials.
      Diagnostic Comparison: SH-1 Molecule vs PP405 — Safety Profiles in Hair Science

      research Diagnostic Comparison: SH‑1 Molecule vs PP405 — Safety Profiles in Hair Science

      June 2026 in “HAL (Le Centre pour la Communication Scientifique Directe)”
      This infographic compares the safety profiles of SH‑1, a cosmetic ingredient, which showed no systemic absorption, and PP405, an investigational drug with dose-dependent systemic uptake and potential threshold breaches, highlighting differences in safety between cosmetic and investigational substances according to this report.