Product guide · Research use only
RU58841 Has Attracted Attention in Hair Research - DHT Blocker 50ml 8%
Follow Labs research compound containing RU58841, 50 ml of liquid. This guide sets out what the manufacturer states about the composition of RU58841 Has Attracted Attention in Hair Research, what independent research says about its main ingredient, and the safety and regulatory points that apply. The manufacturer labels this product for research use only, not for human consumption. This guide is educational and gives no directions for use.
Back to the product- Named ingredients
- 1
- Amounts stated
- All
- Status
- Research use only
- Evidence summaries
- 1
Overview
Manufacturer informationRU58841 Has Attracted Attention in Hair Research contains RU58841 as a 8% solution. Each pack holds 50 ml (liquid).
The manufacturer labels it for research use only, not for human consumption.
Ingredients & composition
Manufacturer information| Ingredient | Amount |
|---|---|
| RU58841 | 8% solution |
Scientific background
Independent researchRU58841
RU58841 is an experimental topical antiandrogen that was investigated for hair loss and acne but was never approved as a medicine.
Research evidence
Independent researchRU58841
There are no published controlled efficacy trials in humans. A 2026 study investigated its metabolism and elimination in humans for doping-control purposes1.
Evidence limitations
Independent researchNo published study has tested this specific product; the research summarised here concerns the ingredient itself.
RU58841
Its efficacy and long-term safety are not established.
Safety & potential risks
Independent researchRU58841
Human safety data are lacking; as an antiandrogen it may cause systemic hormonal effects.
Regulatory status
RU58841 is an experimental non-steroidal androgen-receptor antagonist. It is not authorised as a medicinal product in the EU and its safety and efficacy in humans have not been established. The manufacturer labels it for research use only, not for human or animal use. No dosing information for human use is provided.
Scientific references
- Okutan A, Krug O, Fußhöller G, et al. Investigation into the metabolism and elimination behavior of RU 58841, and its influence on the steroid profile in humans. Biomed Chromatogr. 2026;40:e70602. PubMed 42615108
- Directive 2001/83/EC on the Community code relating to medicinal products for human use. Official Journal of the European Union. Source
- Regulation (EU) 2015/2283 on novel foods. Official Journal of the European Union. Source
Sources checked against PubMed, Crossref or the official publisher on 2026-11-04. Manufacturer information is taken from the product's own data and has not been independently tested.

The product
RU58841 Has Attracted Attention in Hair Research - DHT Blocker 50ml 8%
€95,90