RU58841 Research Serum – 50 mg/mL
RU58841 Research Serum is a high-concentration topical research formulation designed for advanced hair and scalp research applications.
Each batch is formulated at 50 mg/mL, delivering a total of 2,500 mg RU58841 per 50 mL ampoule.
This formulation uses USP-grade solvents only and follows a minimalist, lab-style approach with just three ingredients to maximize stability and research consistency.
Formulation Highlights
- High-potency concentration: 50 mg/mL
- Minimalist, lab-grade composition
- No fragrances, oils, or unnecessary additives
- Prepared in small batches for freshness and quality control
Ingredients
- RU58841
- Ethanol (USP Grade)
- Propylene Glycol (USP Grade)
Storage, Shipping & Shelf Life
- Refrigeration required
- Use within 8 weeks after preparation
- Keep tightly sealed and protected from light and heat
- Complementary cold shipping included to maintain product stability during transit
Research Highlights – RU58841
Key Research Findings (Preclinical & Experimental Data)
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- Selective Androgen Receptor Antagonism
RU58841 has been studied as a non-steroidal androgen receptor (AR) antagonist, showing strong affinity for androgen receptors without altering systemic hormone production.
- Selective Androgen Receptor Antagonism
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- Local AR Blocking Mechanism
Research suggests RU58841 works by competitively inhibiting DHT and testosterone from binding to androgen receptors at the target site, rather than suppressing androgen synthesis.
- Local AR Blocking Mechanism
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- No 5α-Reductase Inhibition
Unlike finasteride or dutasteride, RU58841 does not inhibit 5α-reductase and does not reduce circulating DHT levels in research models.
- No 5α-Reductase Inhibition
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- Topical Research Focus
Experimental studies have focused on localized (topical) application, aiming to limit systemic exposure while maintaining activity at the site of interest.
- Topical Research Focus
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- Preclinical Hair Follicle Observations
Animal and in-vitro studies have demonstrated reduced androgen-mediated effects on hair follicles when AR signaling is locally blocked.
- Preclinical Hair Follicle Observations
- Short Biological Persistence
Research indicates RU58841 exhibits rapid local metabolism, which has been cited as a reason for its use in localized research settings.
Important Notice
This product is intended for research use only.
Not for human consumption.
Not intended to diagnose, treat, cure, or prevent any disease.





