RU58841 once vs twice daily? Is once a day effective enough? 3/19/2026
RU58841 is effective when used once daily. Using it twice daily may require reducing the dosage, potentially decreasing its effectiveness.
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6 / 6 resultscommunity Ru58841 + minoxidil + nizoral + dermastamp
The user has been using Nizoral shampoo, RU58841, minoxidil, and dermastamping for hair loss. They report some progress with regrowth and darker, longer vellus hairs after 8 weeks.
community Is RU58841 making a comeback? Is it worth it?
RU58841 is being reconsidered as a hair loss treatment, with some users reporting early positive signs, though concerns about potential heart issues exist. Alternatives like KX826 and traditional treatments like dutasteride and minoxidil are also discussed.
community New human study (Aug 2026) directly tested whether RU58841 stays local - it doesn't
RU58841 is absorbed systemically in humans, contradicting claims it stays local, but no harm is proven. Alternatives like CB-03-01 or KX-826, especially with finasteride, are suggested for safety.
community Latest study on RU58841 done 19. August 2026.
RU58841 can be absorbed systemically after topical application, but the study did not find immediate hormonal disruption. The study highlights the need for more research on long-term safety and effects of RU58841, as well as the importance of quality control in products from the grey market.
community How many have experimented with ru58841 and topical GHK-CU?
RU58841 and topical GHK-CU are used together for hair loss, with RU58841 reducing shedding and GHK-CU improving scalp health. Users report noticeable hair growth and improved hair quality within weeks, especially when used consistently.
community RU58841 is a scam until proven otherwise
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.
Related Research
6 / 6 results
research RU 58841, a new specific topical antiandrogen: A candidate of choice for the treatment of acne, androgenetic alopecia and hirsutism
This study found that the topically applied non-steroidal antiandrogen RU 58841 may reduce androgen-dependent skin conditions in a hamster model with minimal systemic effects.
research RU 58841-myristate–prodrug development for topical treatment of acne and androgenetic alopecia.
This study reports that RU 58841-myristate, a new antiandrogen prodrug formulated with solid lipid nanoparticles, shows potential for targeting hair follicles in preclinical laboratory settings.
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
This study found that the non-steroidal antiandrogen RU58841 increased hair growth rates and promoted hair cycle initiation in balding human scalp grafts on testosterone-conditioned nude mice, indicating a positive effect on hair growth.
research Alternative synthesis of the anti-baldness compound RU58841
A new, less toxic and more efficient method to create the anti-baldness compound RU58841 was developed in 2014.
research Dose-dependent and long term effects of RU58841 (androgen receptor blocker) on hair growth in the bald stumptailed Macaque.
In this study using a macaque model, RU58841 at a 5% concentration significantly increased hair density, thickness, and length in the frontal bald scalp over six months.
research Significance of RU58841 as a therapeutic agent effecting 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.