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Pyrilutamide (KX-826) is discussed as an anti-androgen treatment for hair loss, with mixed user experiences. Some users report no results, while others find it mildly effective.

Men with early male pattern baldness (MPB) may have hormonal abnormalities similar to those in women with PCOS. Specific treatments mentioned include Minoxidil, Finasteride, and RU58841.

Estrogen injections significantly improved hair growth, particularly on the crown, after stopping finasteride. Monotherapy with estrogen led to hairline improvement, but also caused sterility and potential feminization effects.

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.

The conversation discusses alternatives to RU58841 for hair loss treatment, with suggestions including topical spironolactone, peppermint and rosemary oils, and saw palmetto. The user also considers ordering RU58841 from China but finds it too expensive.

The conversation discusses how different factors can stimulate type 1 and type 2 isoforms of 5-alpha reductase, which are enzymes linked to hair loss. Specific treatments mentioned include oral Dutasteride and topical Finasteride.

A 16-year-old is experiencing hair loss and is using minoxidil, finasteride, and plans to add RU58841, while considering other treatments like MK-677 and microneedling. Concerns are raised about the potential impact of these treatments on puberty and development.

User asks if spironolactone can stack with finasteride and pyrilutamide for hair loss treatment. They question why spironolactone is associated with feminizing effects, while RU/pyri/fluridil, which work similarly, are not.

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.

KX-826 (Pyrilutamide) 0.5% and 1.0% solutions showed promising results in increasing hair count for male androgenetic alopecia, with the 0.5% dose slightly outperforming the 1% dose. The treatment was well-tolerated with no sexual side effects, but skepticism remains due to past inconsistencies in trial results.

KX-826 (Pyrilutamide) being tested in the US for hair loss treatment and that they have found enough people to participate in phase II clinical trials. Other treatments discussed are Minoxidil, finasteride, and RU58841.

GT20029 is discussed as a potential treatment for androgenetic hair loss by targeting androgen receptors, unlike finasteride which reduces DHT broadly. Concerns include its effectiveness, genetic variations in androgen receptors, and availability, with some skepticism about its potential as a true alternative.

People on testosterone replacement therapy (TRT) with aggressive androgenetic alopecia (AGA) discuss using Dutasteride or Finasteride, sometimes combined with topical treatments like RU58841 or CB-03-01 (Breezula), to prevent hair loss. Concerns about side effects and costs of certain treatments are mentioned, with one individual sharing their experience of slowed hair loss using Finasteride alone.

The user had a hair transplant in March 2025 and has been using finasteride since 2023, which halted hair loss but didn't fully restore density. They plan to use dutasteride twice weekly, finasteride five times a week, and saw palmetto to improve hair thickness.

The treatment for androgenetic alopecia involves using finasteride and minoxidil with intense exercise and cold exposure to boost metabolism and reduce androgenic effects, potentially leading to hair regrowth. This approach may activate biological pathways for improved hair and overall health.

Adipose-derived stem cells with ATP improved hair regrowth in male and female mice with androgenetic alopecia. The most effective treatments were low dose stem cells with ATP for males and medium dose stem cells with non-liposomal ATP for females.

A 24-year-old male experiencing diffused thinning discusses his DHT levels and hair density issues. He has not used finasteride or dutasteride and is considering AR inhibitors.

The conversation discusses using scalp antiandrogens like RU58841, pyrilutamide, or fluridil on the face to reduce sebum production, noting that clascoterone (winlevi) is an approved facial antiandrogen with underwhelming reviews.

A 19-year-old male switched from finasteride and minoxidil to dutasteride due to continued hair thinning and is experiencing increased nipple sensitivity and a small lump, raising concerns about gynecomastia. Suggestions include slowing the transition, checking hormone levels, and considering an aromatase inhibitor.

RU-58642 is a powerful anti-androgen that was not developed further, possibly due to safety concerns or financial reasons. RU58841 is a topical alternative, but it is less effective than finasteride and dutasteride, and its long-term effects are not well-studied.

A hair loss treatment protocol involving topical and oral medications such as Minoxidil, RU58841, Finasteride, Dutasteride, Melatonin, Zinc, Vitamin B6, NAC, Caffeine, Biotin, Ginseng, and Semen; other treatments including Microneedling, Laser Helmet, Nizoral shampoo, Scalp Massage and supplements like Vitamin C, Vitamin D, Fish Oil, and Biotin; and the potential side effects of using this protocol.

KX-826 Phase II results show that a 0.5% concentration performs better than 1% for treating male pattern baldness. Concerns about receptor upregulation from long-term DHT antagonism were mentioned.

A 19-year-old male with no family history of androgenetic alopecia (AGA) is experiencing hair loss and considering using a topical minoxidil and finasteride mixture. Despite low vitamin D levels and normal DHT serum levels, he seeks confirmation of AGA before starting treatment.

A user plans to undergo a temporary MtF transformation to regrow hair, using estrogen, RU58841, and Dutasteride, then revert with testosterone. Many users criticize the plan, suggesting alternatives like hair transplants, and emphasize that estrogen is not a reliable solution for hair regrowth.

Dutasteride may affect testosterone levels, leading to high ferritin and iron levels, which can cause hair loss. High ferritin might be linked to past heavy drinking or hemochromatosis.

The conversation discusses an extensive hair loss treatment regimen including dutasteride, GT20029, RU58841, pyrilutamide, minoxidil, microneedling, ketoconazole shampoo, and experimental compounds. The user humorously describes their approach as a comprehensive strategy to combat hair loss while maintaining hair growth.

Hair loss treatments, specifically 5AR inhibitors, can impact neurosteroids and sexual health. The effects of topical fin/dut on tissue-specific DHT levels are unclear.

A 22-year-old with high estradiol levels is considering starting finasteride for hair loss. They have an upcoming endocrinologist appointment to discuss whether they should proceed with the treatment.

A transwoman is struggling with hair loss despite using hormones, dutasteride, and Abiraterone, and is considering making her own treatments due to difficulty accessing them. She has also tried Eucapil and regularly uses Nizoral shampoo.

The user increased their steroid dosage and noticed hair shedding, so they adjusted their regimen by reducing steroid doses and adding oral dutasteride. They are also experimenting with combining RU-58841 and KX-826/pyrilutamide in minoxidil to address hair loss.