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      community Latest study on RU58841 done 19. August 2026.

       25 upvotes 3 weeks ago
      RU58841 can be absorbed systemically after topical application, but the study did not find immediate hormonal disruption. The study highlights the need for more research on long-term safety and effects of RU58841, as well as the importance of quality control in products from the grey market.

      community A Technical Question About Pyrilutamide

      in Research/Science  5 upvotes 3 years ago
      Pyrilutamide is believed to be more effective than RU58841 and 1 mg finasteride in treating hair loss, with no systemic hormonal effects and the potential to block more than 31% of scalp DHT. It may also antagonize scalp testosterone due to its action as an androgen receptor antagonist.

      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 Hormonal changes on Finasteride?

       37 upvotes 1 year ago
      Finasteride can increase estrogen levels, causing dizziness and nausea. Users discuss adjusting treatment and diet, and explore alternatives for hair loss management.

      community Any treatment not nuking systemic DHT levels?

       16 upvotes 6 months ago
      Hair loss treatments that avoid significantly lowering systemic DHT levels, focusing on topical options like dutasteride mesotherapy, minoxidil, and ketoconazole. The user is exploring alternatives like KX-826 and RU58841 due to concerns about hormone levels.

      community If PP405 goes systemic this would be quite catastrophic

      in Research/Science  4 upvotes 1 year ago
      Concerns about the potential systemic effects and safety of PP405 for hair loss, with discussions on its comparison to existing treatments like finasteride and minoxidil. Users express skepticism about untested research chemicals and emphasize the importance of clinical trials to ensure safety and efficacy.

      community Inflammation (and health care system) frustration

       6 upvotes 1 year ago
      A woman is frustrated with her hair loss and the slow, ineffective healthcare system in Canada. She has tried treatments like minoxidil, doxycycline, and kenalog injections, but continues to experience painful inflammation and hair loss.

      community How finasteride lowers brain's happiness steroid allopregnanolone and causes depression: systemic dihydroprogesterone crosses blood brain barrier, you don't even need finasteride and brain 5ar for that

       288 upvotes 1 year ago
      Finasteride may lower allopregnanolone levels, potentially affecting mood, but many users report improved mental health due to reduced hair loss. Experiences with finasteride and dutasteride vary, with some experiencing side effects and others finding them beneficial for hair retention and overall happiness.

      community Is it possible to create an estrogen mesotherapy/topical that doesn't go systemic?

       7 upvotes 1 year ago
      The conversation discusses the potential of using topical estrogen treatments for hair loss without systemic absorption, highlighting challenges and possible solutions like using estriol. It also mentions other treatments like topical finasteride, microneedling, and scalp massage, while noting the limitations and side effects of current options.

      community Minoxidil is a 5ar inhibitor according to research

       150 upvotes 11 months ago
      Minoxidil may inhibit androgen receptors and affect hormonal pathways, potentially explaining its effectiveness in treating androgenetic alopecia (AGA). Users discuss its varying effectiveness on scalp versus facial hair and note fewer side effects with topical use compared to oral.

      community Attempting to assist people with gyno sides on finasteride

       23 upvotes 2 years ago
      Finasteride can cause gynecomastia due to hormonal imbalances. Management includes consulting an endocrinologist and using aromatase inhibitors like anastrozole or supplements like DIM and zinc.

      community The best hair restoration is the kind nobody notices

       1201 upvotes 4 months ago
      Matthew McConaughey's hair restoration methods are speculated to involve hair systems, transplants, and treatments like finasteride and minoxidil. Many believe he falsely credits his hair regrowth to Regenix, while others suggest he uses a combination of treatments for a natural look.

      community Clascoterone might be the Finasteride for female pattern hair loss.

       9 upvotes 1 month ago
      Clascoterone, a topical anti-androgen, shows promise for treating female pattern hair loss without systemic side effects, offering a potential alternative to minoxidil. It could also benefit men who experience side effects from finasteride.

      community Has anyone stabilized their hair loss on fin and then switched to RU?

       4 upvotes 6 months ago
      The conversation discusses switching from oral finasteride to topical RU58841 for hair loss, with concerns about hormonal effects and libido. Some users suggest alternatives like dutasteride, while others share mixed experiences with RU58841's effectiveness.

      community Estradiol mesotherapy / idea feedback

       5 upvotes 1 year ago
      The conversation discusses using estradiol mesotherapy to replicate hormone replacement therapy results while minimizing systemic exposure. It also covers the use of Spironolactone cream, which reportedly has no systemic side effects, and the potential risks of using bicalutamide and Spironolactone in men.

      community Effect of melatonin on aromatase expression

       4 upvotes 4 years ago
      Melatonin's effect on aromatase expression is unclear, with studies showing both increases and decreases. Hormonal impacts are complex and inconsistent, similar to changing health advice on other substances.

      community How many are hyper responders to Finasteride?

       6 upvotes 4 months ago
      The user experienced severe side effects from finasteride, including hormonal imbalances and cognitive issues, leading to a recommendation to stop its use. They plan to follow up with tests to rule out a pituitary tumor and are considering topical treatments as alternatives.

      community How likely do you think it is for PP405 to come out?

      in Research/Science  21 upvotes 11 months ago
      PP405 is a potential new hair loss treatment that works through metabolic pathways rather than hormonal ones, with an estimated market release between late 2027 and 2029. Current alternatives to finasteride include minoxidil, pyralutamide, fluridil, and RU58841, with hair transplants also being a viable option.

      community Gains or growth? Three months in

      in Is this regrowth?  146 upvotes 1 year ago
      The user is using topical minoxidil twice daily for hair regrowth and is hesitant to use finasteride due to concerns about hormonal effects. The conversation includes mixed opinions on the effectiveness of the treatment and suggestions to use a DHT blocker for better results.

      community DHT Isn't (Directly) Important

       101 upvotes 1 year ago
      Finasteride's potential side effects, especially sexual dysfunction, are discussed, with emphasis on hormonal balance between testosterone and estradiol. Users share experiences with finasteride, minoxidil, and dutasteride, highlighting the variability in side effects and the influence of mindset and lifestyle.