Excellent
Rating on trustpilot
Once a day application
3rd Party Tested
No systemic side effects
5% RU58841 30ml
GET YOUR HAIR BACK IN 90 DAYS
Order before 1pm for next day delivery
In Stock
Great results already in one month
I have used lots of different hair loss products on the market to try to maintain my hairline but I haven’t used one before that was this effective. I have only been using it about a month and I’m really shocked with how great the results have been. I’m looking forward to seeing how my hair looks after a year, it’s so nice having my confidence back
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$54.00
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5% RU58841 — The #1 Topical Anti-Androgen
🛡️ Block DHT at the scalp. No pills. No prescriptions. No side effects.
✅ Apply once a day — takes 60 seconds
📈 Guaranteed results in as little as 90 days
💰 Less than £1.22/day
📸 Take a before photo on day one. If day 90 looks the same, we refund you. No questions asked. 💯
What's in it?
5% RU58841 in an Ethanol and Propylene Glycol base to maximise absorption and effectiveness
How quickly can I expect results?
Hair growth cycles are slow, and most topical hair loss treatments require consistent daily use for 3 to 6 months before visible results become apparent.
We recommend a minimum 90-day protocol, which is why our bundles include a 3-month supply. Early signs of progress may include reduced shedding within the first 2 to 4 weeks, with new growth becoming visible from months 2 to 3 onwards
How do I use RU58841?
Apply 1ml (approximately one full dropper) to the affected areas of the scalp once daily, preferably in the evening after washing your hair. Massage gently into the scalp and allow it to dry fully before sleeping. For best results, use consistently every day. Our 3-month bundles include a dermastamp and scalp massager to support absorption and scalp health as part of your routine.
Has this been tested?
Yes. RUrestore products are independently tested by Janoshik, an accredited analytical laboratory. Test reports verify the identity, purity, and concentration of active ingredients. Certificates of analysis are available on each product page.
Shipping & return policy
Order before 1pm Mon to Fri for same day shipping.
UK 1-2 days. EU 3-7 days (no import duties to be paid). US 5-12 days (we cover duties). Rest of world 5-10 days.
Unopened bottles returnable within 14 days.
90 day guarantee: send before photo + monthly photos to progress@rurestore.co.uk. No regrowth by day 90, we refund you.
No Prescription Needed
Skip the GP. Skip the questionnaire. Order it today, have it in your hand tomorrow.
No Pills, No Side Effects
Stays on your scalp. Doesn't touch your hormones or your sex drive.
3rd Party Laboratory Tested
Third party lab tested
Made in the UK
Bottled, tested, and shipped from the UK. Not dropshipped from China.
Real Skin. Real Change.
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What's the difference between RU58841+ and Finasteride?
| RUstim+ | Finasteride | |
|---|---|---|
| Targeted to scalp only | ||
| Safe to use with Minoxidil | ||
| Promotes Regrowth | ||
| Stops Hair Loss | ||
| No Sexual Side Effects | ||
| No Prescription needed |
Answers to Your Important Questions
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What is RU58841 and how does it work?
RU58841 is a non-steroidal anti-androgen compound originally developed in the 1980s for treating androgen-dependent conditions. It works by binding to androgen receptors in hair follicles, blocking DHT (dihydrotestosterone) from attaching and miniaturising the follicle. Unlike oral anti-androgens such as finasteride, RU58841 is applied topically to the scalp, meaning it targets hair follicles directly without significant systemic absorption.
Is RU58841 better than Finasteride?
RU58841 and Finasteride work differently. Finasteride is an oral 5-alpha reductase inhibitor that reduces DHT production systemically throughout the body. RU58841 is a topical androgen receptor blocker that competes with DHT at the follicle level without reducing overall DHT levels. Some users prefer RU58841 because it does not affect systemic hormone levels.
What are the side effects of RU58841?
The most commonly reported side effects from topical RU58841 use include mild scalp irritation, dryness, or redness at the application site. Because RU58841 is applied topically rather than taken orally, systemic side effects are considered less likely than with oral anti-androgens like finasteride. However, individual responses vary. If you experience persistent irritation or any unexpected symptoms, discontinue use and consult a healthcare professional.
How do I clean and maintain the shaver?
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Do you offer a money-back guarantee?
Yes. We offer a 90-Day Growth Guarantee. If you complete the full 90-day protocol as directed and do not see any improvement, we will refund your purchase. The guarantee requires progress photos taken at days 0, 30, 60, and 90 to verify consistent use. Full details are available in our refund policy.
How do I store RU58841?
Store your RU58841 or RUstim+ bottles in a cool, dark place away from direct sunlight. For long-term storage, refrigeration is recommended to maintain compound stability. Unopened bottles can be stored in the fridge for up to 12 months. Once opened, use within 30 days and keep at room temperature or refrigerated.