October 2025 $120M funding round for PP405 — hype justified or too early to celebrate?
    10/16/2025

    From the encyclopedia
    PP405 →

    mitochondrial pyruvate carrier (MPC) inhibitor by Pelage in early trials

    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 general discussion post, the primary subjects mentioned are
    💧 PP405 (topical)
    💊 Finasteride (oral)
    💊 Dutasteride (oral)
    💧 Topical Finasteride (topical) very low concentration
    the tone is 😐 neutral.

    Other terms

    Pelage secured $120 million for PP405, a non-hormonal topical hair loss treatment, sparking debate on its potential as a breakthrough. Concerns about finasteride's side effects persist, with some suggesting alternatives like topical finasteride or dutasteride.
    View this post in the Community →

    Similar Community Posts Join

    5 / 5 results

      community Pp405 full presentation on new topical

       106 upvotes 6 months ago
      A new topical treatment, PP405, shows promising results for hair regrowth, potentially outperforming existing treatments like finasteride and minoxidil. However, it may still need to be combined with DHT blockers for optimal results, and its long-term effectiveness remains uncertain.

      community What new hair-loss treatments actually look exciting right now (Oct 2025)

       171 upvotes 11 months ago
      New hair loss treatments include Breezula, PP405, ET-02, KX-826, GT20029, VDPHL01, and CosmeRNA, with some showing promise in reactivating stem cells and reversing greying. Breezula and VDPHL01 are highlighted as potential add-ons or alternatives to current treatments like finasteride and minoxidil.

      community PP405 timeframe ? Could it replace current treatments ?

      in Update  34 upvotes 1 year ago
      PP405 is a potential new hair loss treatment that might replace finasteride and minoxidil, but it is still in clinical trials and may not be available until 2028-2031. There is skepticism about its effectiveness, with only a 20% increase in hair density observed in some participants.

      community Quit finasteride after 15+ years

       972 upvotes 1 year ago
      A user stopped finasteride after 15 years due to severe side effects, which improved after quitting. They maintained most of their hair and are considering alternatives like topical treatments or RU58841.

    Related Research

    6 / 6 results

      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.

      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.

      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.

      research Oestrogen functions in skin and skin appendages

      68 citations , June 2005 in “Expert Opinion on Therapeutic Targets”
      This review discusses the influence of oestrogens on various skin components and highlights their modulatory roles and receptor pathways, but it reports no new clinical results.

      research Review of the 2024 American Academy of Dermatology (AAD) Annual Meeting

      April 2024
      This report describes the 2024 American Academy of Dermatology Annual Meeting in San Diego, notable for attracting nearly 20,000 attendees with 339 sessions covering a wide range of dermatological topics, making it potentially the largest dermatology meeting by attendance.