What’s the consensus on RU58841 vs Pyrilutamide (Kx-826)? Research/Science 3/27/2026
RU58841 and Pyrilutamide (Kx-826) are both topical anti-androgens, but neither is effective for hair regrowth. RU58841 has more anecdotal support, while Pyrilutamide has progressed further in trials, though both have limitations.
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5 / 1000+ resultscommunity Ru-58841 or KX-826 (Pyrilutamide)?
Exploring potential treatments for hair loss, with the focus being on comparing RU58841 and Pyrilutamide. Finasteride, Dutasteride, oral Minoxidil, microneedling, topical Minoxidil, Biotin, Zinc, Vitamin D and Nizoral are also discussed as part of a treatment stack.
community Ru-58841 vs KX-826/pyrilutamide while on steroids
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.
community Anyone tried switching from RU to Pyrilutamide (KX-826)
The conversation discusses switching from RU58841 to pyrilutamide for hair loss treatment, with users generally recommending staying on RU58841 if it is effective. RU58841 is sourced from GeneTherica, which ships worldwide.
community Kintor Has Completed Enrollment in Phase II Clinical Trial of KX-826 (Pyrilutamide) for Treatment of Male AGA Patients in the US
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.
community Anageninc no longer sell KX-826 (Pyrilutamide) due to receiving a cease and desist letter from Kintor :(
Hair loss treatments discussed include Minoxidil, Finasteride, and RU58841. Anageninc stopped selling KX-826 (Pyrilutamide) due to a cease and desist letter from Kintor, but this may indicate promising study results and a potential 2024 release.
Related Research
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research RU 58841, A New Specific Topical Antiandrogen: A Candidate of Choice for the Treatment of Acne, Androgenetic Alopecia, and Hirsutism
RU 58841 may treat acne, hair loss, and excessive hair growth.
research RU 58841-Myristate Prodrug Development for Topical Treatment of Acne and Androgenetic Alopecia
RUM-loaded SLN shows promise for treating acne and hair loss topically.
research Evaluation of RU58841 as an Anti-Androgen in Prostate PC3 Cells and a Topical Anti-Alopecia Agent in the Bald Scalp of Stumptailed Macaques
RU58841, a nonsteroidal anti-androgen, showed potential as a topical treatment for hair loss, increasing hair density, thickness, and length without systemic side effects in Stumptailed Macaques.
research A Controlled Study of the Effects of RU58841, a Non-Steroidal Antiandrogen, on Human Hair Production by Balding Scalp Grafts Maintained on Testosterone-Conditioned Nude Mice
RU58841 significantly increases hair growth rate and initiates more hair cycles, but doesn't affect hair thickness, suggesting it could be a new treatment for baldness.
research Dose-Dependent and Long-Term Effects of RU58841 (Androgen Receptor Blocker) on Hair Growth in the Bald Stumptailed Macaque
RU58841, an androgen receptor blocker, significantly increased hair density, thickness, and length in monkeys when applied topically daily for several months.
research Significance of RU58841 as a Therapeutic Agent Affecting Androgen Receptor Molecular Interactions in Human Hair Follicles
RU58841, a substance from France, can potentially block the effects of hormones that cause hair loss and excessive hair growth, performing better than a similar substance, cyproterone acetate.