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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.

Using 0.1% Alfatradiol and 1% Pyrilutamide stopped hair loss, reducing shedding from over 150 hairs a day to less than 10, with no side effects. The user also uses Minoxidil and microneedling, applying the treatments twice daily.

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.

PP405 is a new hair loss treatment in phase 2 trials that may promote hair growth by increasing lactate production and activating hair follicle stem cells. It could potentially replace hormone-disrupting treatments like Minoxidil and finasteride.

Finasteride significantly lowers allopregnanolone levels, while dutasteride's effect is less clear and may vary. Some users speculate that dutasteride might be healthier for the brain due to its different inhibition pathways.

The conversation discusses the availability and effectiveness of novel topical anti-androgens for hair loss, mentioning treatments like Breezula, GT20029, pyrilutamide, KX826, and RU58841. Users express skepticism about the effectiveness of these treatments and note that some are already available.

The conversation discusses a hair loss treatment regimen including oral dutasteride, oral minoxidil, tadalafil, and the recent addition of RU58841. The user shares experiences with these treatments, noting significant hair regrowth and stabilization, and discusses the cost and preparation of RU58841.

Pelage Pharmaceutical raised $120 million to continue research on PP405, a promising hair loss treatment that showed a 20% increase in hair density in 31% of men during a Phase 2a trial. The treatment was well-tolerated, with no systemic absorption, and Phase 3 trials are planned for 2026.

Clascoterone 5% shows promising hair growth results but is criticized for high cost and unclear effectiveness compared to other treatments like finasteride. Glenmark is testing a combination of Clascoterone 7.5% and Minoxidil 5% in India.

The conversation is about finding a source for Alfatradiol 0.1% as most available products are 0.025%. A suggestion was made to use four times the dosage of the 0.025% product.

Pyrilutamide is discussed as an effective hair loss treatment by some users, despite skepticism due to limited data and underwhelming trial results. Users compare it to finasteride, minoxidil, and RU58841, with some expressing interest in its potential as an adjunct treatment.

GT20029 and KX826 are promising hair loss treatments, with GT20029 increasing hair count and KX826 showing significant results. KX826 may be a good alternative for those who can't use finasteride or dutasteride, though results vary.

GT20029 is a topical treatment that degrades androgen receptors to prevent hair thinning and loss, potentially offering fewer side effects than systemic treatments like finasteride. Concerns include its impact on hair texture and potential systemic effects, with market availability speculated in 3 to 5 years.

The conversation discusses reliable brands for RU58841, with recommendations for RUdirect and Receptorchem. Users also mention Anageninc as a known option for RU58841 in Europe and the UK.

The user is treating alopecia areata with 1.25mg oral minoxidil daily and topical mometasone furoate, considering increasing the dose or adding finasteride, though finasteride is not typically used for this condition. A gluten-free diet is suggested, and alternatives like Olumiant are mentioned.

Pelage is delaying the start of phase 3 trials for PP405 to 2026 due to necessary regulatory processes, despite having $120 million in funding. Users discuss the potential of PP405 for hair regrowth, with some expressing skepticism and others hopeful for new treatments like Breezula.

AMP-303, a new injectable treatment for androgenetic alopecia, showed promising results in increasing hair count and density with minimal side effects. The treatment demonstrated significant hair regrowth and durability, offering new hope for those with hair loss.

A user with AGA uses topical spironolactone 2% due to side effects from the oral form and is concerned about its use during conception and breastfeeding. They seek alternatives to prevent AGA relapse while planning pregnancy and after childbirth.

The conversation discusses using 0.1% Alfatradiol compounded by a pharmacy for hair loss treatment. It also mentions Minoxidil, finasteride, and RU58841 as other treatments.

An arthritis drug, Rinvoq, restores hair in some alopecia areata patients but is not effective for androgenetic alopecia. It is used for autoimmune-related skin disorders, but its high cost and lack of insurance coverage are issues.

Oral dutasteride 0.5 mg combined with oral minoxidil 2.5 mg is highly effective for male androgenetic alopecia, showing over 60% improvement and 98% stabilization at 6 months, with low adverse event rates. Patients with severe baseline conditions respond better and faster to this treatment.

KX-826 is undergoing trials for hair loss treatment, showing similar effectiveness between 0.5% and 1.0% dosages, with mild side effects compared to finasteride. Users discuss combining KX-826 with other treatments like minoxidil and clascoterone for better results.

Pyrilutamide's mainstream product release date is discussed. Side effects found in studies are also questioned.

RU58841's potential toxicity to cats is uncertain, similar to minoxidil. Caution is advised to prevent accidental exposure to pets.

Tazarotene may be more effective than tretinoin when combined with topical minoxidil for hair loss due to its selective binding to RAR-beta and gamma, though it can cause irritation. Tazarotene's potency can lead to indirect inflammatory reactions despite potentially causing less irritation than tretinoin.

The conversation discusses adding either RU58841 or pyrilutamide to a hair loss treatment regimen that already includes oral dutasteride and oral minoxidil. RU58841 is considered the stronger anti-androgen but may have more side effects.

Users discuss the release of Pyrilutamide 1% outside China and its potential effectiveness compared to 0.5%. They also mention using Minoxidil, Finasteride, and RU58841 for hair loss treatment.

The conversation is about finding clascoterone 5% or other effective anti-androgens for hair loss in the UK, with openness to purchasing from outside the UK. A suggestion was made to visit Dublin, where research on the treatment is ongoing.

The conversation discusses the potential of developing a selective oral SARM to target androgen activity in the scalp and skin, as an alternative to oral Dutasteride and Finasteride, which have systemic side effects. It also mentions Clascoterone and RU58841 as topical treatments for hair loss.

RU58841 is considered ineffective as a standalone treatment for hair loss, with users often combining it with finasteride and minoxidil for potential benefits. Many users report mixed results and concerns about side effects, leading to skepticism about its efficacy.