PP405, a topical LDH inhibitor, has shown to stimulate hair follicle stem cell proliferation in humans with moderate hair loss. They are advancing to more detailed trials this year.
The conversation discusses the difference between the commercially available Pyrilutamide and the version in clinical trials. It also mentions treatments like Minoxidil, finasteride, and RU58841 for hair loss.
PP405 is a promising new treatment for hair loss that activates dormant stem cells in hair follicles, potentially bypassing the effects of DHT. It is currently in phase 2 trials and could be available between 2027 and 2030, but it is not considered a definitive cure.
Hair loss discussion includes alfatradiol (Pantostin/Ell Cranell) as a potential treatment. Users share opinions on its effectiveness in their regimen.
People are excited about a new hair loss treatment, PP405, and some suggest using Twitter to increase its visibility. Current treatments mentioned include finasteride, minoxidil, and dutasteride, but skepticism remains about the effectiveness of new treatments.
PP405 significantly improves hair density, outperforming finasteride, with 31% of users seeing over 20% improvement in four weeks. Concerns exist about its availability, cost, and long-term effects.
A user shared their positive experience with Roots by GA, a company that creates personalized hair loss treatments based on DNA analysis, which confirmed their inability to tolerate finasteride. The user is satisfied with their progress 30 days after a hair transplant and the customized formula they received.
A user shared their 9-month progress using RU58841 at 2% daily for hair regrowth, initially starting at 5% but reducing the dose due to early signs of gynecomastia, which has since mostly resolved. They achieved their goal of regrowing hair at the temples and hairline.
2-deoxy-d-ribose hair serum is now available in Australia, potentially aiding hair loss by promoting new blood vessel growth. Users are discussing its potential effectiveness compared to other treatments like Minoxidil, finasteride, and RU58841.
GT20029 is a new hair loss treatment in Phase 3 trials in China, using PROTAC technology to target androgen receptors, potentially with fewer side effects than finasteride and minoxidil. VDPHL01, a second-generation minoxidil, is also mentioned as potentially more effective.
Pelage Pharmaceuticals' PP405, a new hair loss treatment, was recognized by Time Magazine as one of the best inventions of 2025. The conversation expresses optimism about the recognition of this in-development treatment.
Hair regrowth was achieved using minoxidil, nizoral, alfatrodial, and pyrilutamide after finasteride caused side effects. The user recommends this combination for those who can't tolerate 5AR inhibitors, stressing consistent use.
The user is seeking a new source for RU58841 in the EU after their previous supplier stopped selling it. They mention considering Anagen, Actifolic, Minoxidilmax, and rudirect, and ask for advice on shipping within the EU and product quality, while also mentioning their current hair loss treatment involves mixing RU with Stemoxydine and Alfatradiol.
The user is asking about the safety of using RU58841 when trying to conceive and if others have had healthy babies after using it. They are seeking advice on how long to take a break from RU58841 before attempting to have a baby.
Significant hair regrowth was achieved using RU58841, minoxidil, and microneedling during a high-dose steroid cycle. The user reported no side effects from RU58841 and plans to continue the regimen.
User visited derma doctor, suggested finasteride, minoxidil, multivitamins, and PRP therapy. Another user advised against PRP due to cost and ineffectiveness.
The user has experienced hair loss stabilization with dutasteride and oral minoxidil but is considering adding RU58841 for potential regrowth. Another user advises that it may take up to 36 months for full results with dutasteride and warns of possible side effects with RU58841.
RU58841's potential side effects, particularly heart palpitations, are debated, with some attributing them to contamination with minoxidil. Users report mixed experiences, with some seeing no side effects and others cautioning about the lack of reliable data on RU58841's safety.
Actifolic's RU58841 and Pyri products are perceived as ineffective, with users reporting no side effects or improvements, suggesting possible quality issues. Users recommend alternative sources and emphasize the importance of timing when using RU58841 with Minoxidil.
Saw palmetto, a 5-alpha reductase inhibitor, caused unexpected side effects like breast changes and altered semen consistency, which resolved after stopping its use. Concerns about similar side effects with finasteride or dutasteride were expressed, and another user reported low libido and depression from saw palmetto.
The user experienced side effects from a hair loss treatment and is considering using pyrilutamide, alfatradiol, and possibly minoxidil. They are unsure about starting minoxidil immediately or waiting to see the effects of the other treatments.
The user is considering adding RU58841 to liquid minoxidil without propylene glycol (PG) due to an allergy and is asking if this combination is effective and if PG is necessary. They have been using finasteride and minoxidil foam, plan to use RU58841 with liquid minoxidil in the evening, and continue finasteride.
The conversation is about finding a source to buy RU58841 in Germany, specifically looking for a PG-free option. Users suggest buying powder and mixing it themselves, with one user recommending a specific website.
An update on the use of Pyrilutamide, a new drug for hair loss, which has resulted in no shedding or testicle ache; other users have questioned the science behind this and shared their own experiences with Finasteride, Minoxidil, and microneedling.