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RU58841, an anti-androgenic compound, showed early promise for treating alopecia but faced challenges after its patent in 1997. Despite advancing to Phase II trials, safety concerns and financial struggles led Aventis to abandon its development. Proskelia, which later merged into ProStrakan, couldn't prioritize the drug, leading to its eventual stagnation and failure to reach the market.

PP405 is viewed skeptically, with some seeing it as overhyped and potentially ineffective compared to existing treatments like minoxidil and finasteride. While it shows some promise in activating dormant hair follicles, many believe it won't replace hair transplants or significantly outperform current options.

The conversation is about the debate over the existence of Post-Finasteride Syndrome (PFS) and its symptoms, with some users skeptical about PFS and others discussing side effects like erectile dysfunction and gynecomastia from hair loss treatments like finasteride. Specific treatments mentioned include finasteride, viagra, and a joke about using a popsicle stick for erectile support.

The conversation discusses the effectiveness of a hair loss treatment called CB (Breezula) in comparison to Pyrilutamide, and its potential when combined with Finasteride. There is uncertainty about when or if phase 3 trials for Breezula will begin.

A female with male-pattern hair loss (AGA) is seeking help after unsuccessful treatments with spironolactone and supplements, and is considering oral minoxidil and finasteride despite concerns about medication side effects. She has ruled out hormonal birth control and PRP/PRFM, and is looking into further medical advice due to abnormal lab results.

A 27-year-old male with diffuse hair loss, including the donor area, did not respond to finasteride, dutasteride, or minoxidil. He suspects his hair loss may be linked to a mild connective tissue disorder, possibly affecting the structural support of hair follicles, rather than being purely hormonal.

User warns about finasteride causing Huge Penis Syndrome (HPS) with 2cm/year growth. Others joke about the side effect and share their experiences.

A 26-year-old man shared his positive results after 10 months of treating male pattern baldness using a regimen that includes Estradiol Enanthate, DHPA, Bicalutamide, Dutasteride, oral and topical Minoxidil, and a dermaroller. He experienced mild gynecomastia and reduced body hair as side effects but was satisfied with the outcome.

Bimatoprost, latanoprost, and travoprost can aid hair regrowth but are costly and less effective than minoxidil. They work best when combined with minoxidil and finasteride.

The user is using a hair regrowth treatment plan that includes finasteride, microneedling, minoxidil foam, ketoconazole shampoo, and piroctone olamine shampoo. They are seeking advice on the effectiveness of their regimen and dosage of finasteride, and are curious about others' experiences with piroctone olamine.

Dr. Muñoz's discovery suggests that targeting potassium channels in fibroblasts could reactivate hair growth, offering new treatment possibilities for alopecia. Potential strategies include using minoxidil, diazoxide, and other potassium channel openers, as well as bioelectric devices and direct growth factor applications.

The conversation discusses sourcing pure latanoprost from the gray market for research and making a homemade solution. Concerns about potential dangers and experiences with this method are raised.

Exosomes combined with fractional picosecond laser treatment were effective in treating androgenetic alopecia and promoting repigmentation in white hair patches. The role of exosomes in hair repigmentation, particularly in conditions like poliosis, is not well-studied.

The conversation discusses hair regrowth after a health condition, with the appearance of white substance on the scalp. Suggestions include it being sebum or White Piedra, with a recommendation to try Nizoral.

The user is anxious about potential side effects of finasteride, particularly PFS, and is considering reinstating it for hair loss treatment. They experienced anxiety-induced side effects previously and are seeking advice on overcoming their fear of restarting finasteride.

Federal funding cuts have delayed PP405 research, affecting hair loss treatment progress, though clinical trials will continue. The discussion highlights PP405's potential compared to minoxidil and finasteride and stresses the importance of government-funded research.

User has hair loss, finasteride for 5 years not effective. Considers trying dutasteride, minoxidil, or pyrilutamide.

A product called "PP405 Hair Follicle Serum" is being sold on Shopee, claiming to cure baldness without clinical trials or FDA approval, but users are skeptical and refer to it as "snake oil." Some users discuss testing the product's contents, while others share their experiences with hair loss treatments like finasteride.

User asks if HMI 115 hasn't done phase 1 for AGA in humans. Conversation includes treatments Min, Fin, and RU.

The conversation discusses a new model for understanding androgenetic alopecia (AGA), linking it to dietary and lifestyle factors similar to PCOS, and highlighting the role of DHT, vascular damage, and inflammation. Treatments mentioned include Minoxidil, finasteride, and RU58841.

Pedro Pascal's full head of hair is likely due to genetics, finasteride, and possibly hair transplants. Many actors use finasteride to maintain their hair.

The conversation is about using PTD-DBM and valproic acid for hair loss. The user is inquiring about the dosage of these treatments, noting that valproic acid is used at a 7.5% solution.

Men with hair loss might have lichen planopilaris (LPP), which can mimic androgenetic alopecia, leading to misdiagnosis and ineffective treatment with finasteride or dutasteride. Proper diagnosis, including biopsies, is crucial to distinguish between androgenetic alopecia and conditions like LPP.

The user noticed hair thinning since age 15, initially attributed to a Vitamin D deficiency. They are currently using Rogaine and considering Propecia but are hesitant about a scalp biopsy; they seek financially practical treatments for male-pattern baldness.

PP405 may not need daily use like minoxidil, but finasteride might still be needed to maintain hair regrowth. PP405 reawakens dormant hair follicles, potentially offering a long-term solution, though not a permanent cure.

A 22-year-old male uses dutasteride, a serum with 10% minoxidil and 0.5% finasteride, and microneedling for diffuse androgenetic alopecia. Progress pictures show changes from July 2025 to February 2026.

A treatment showed a 20% hair density increase in weeks, with nearly a third of participants experiencing significant results, while questions remain about its long-term efficacy and effectiveness across different scalp areas. There is interest in combining it with finasteride and minoxidil for potentially better outcomes.

PP405 shows promise in activating dormant hair follicles and increasing hair counts but lacks detailed efficacy data compared to minoxidil and finasteride. Opinions are mixed, with some optimism and skepticism about its effectiveness.

Tressless GPT is now free and accessible for hair loss advice. Treatments discussed include Minoxidil, finasteride, RU58841, dutasteride mesotherapy, topical melatonin, microneedling, and rapamycin.

PP405 is moving to late-stage trials, showing potential for hair regrowth, with 31% of male patients experiencing a 20% increase in hair density. Veradermics is developing an oral minoxidil version, and there is interest in combining treatments for better results.