RU58841 Powder

RU 58841 (also known as RU-58841, PSK-3841 or HMR-3841) is a compound that has been garnering attention for its phenomenal response to hair growth, even for individuals who have exhausted all other methods. Furthermore, none of the existing studies available have studied the side effects of long-term, extended use of RU58841.


RU58841 Powder-Lyphar Biotech Co., Ltd

Product Name RU58841
CAS No 154992-24-2
Stock Available
Sample Available

RU58841 Powder-Lyphar Biotech Co., Ltd

RU58841 Powder-Lyphar Biotech Co., Ltd

  1. It’s absolutely BEST to apply mixed and prepared RU after you’ve washed your hair/scalp and your hair is completely dry. Try to apply it within 30 minutes of washing your hair because your scalp produces an oily substance called sebum which will lessen the efficacy of RU penetrating the skin and blocking DHT topically.
  2. If using it on your hairline, be aware that the RU solution is a bit watery so it’s best to apply WITHIN and behind the hairline. You’ll want to preserve what may be receded but potentially also regrow any hair. This way, you’re not just applying the slick bald spots, you want to maintain them as well! If you apply it just outside the hairline to regrow anything, you’ll find that a lot of runs down your noggin and go to waste.

Tip: Exfoliate your scalp! This is actually good because it removes old skin and lets you fight DHT even better. Try to buy yourself an exfoliating cream. They’re not too expensive, maybe $25 at the most but you won’t use much of it anyway, just around the hairline/temples or wherever needed. I typically exfoliate before showering. Let the cream sit for about 1-2 minutes though.

Here’s where you can apply RU:

RU58841 Powder-Lyphar Biotech Co., Ltd

Red lines indicate where I drop RU. Any spots in between are usually rubbed in with a finger or compensated with CB which I’m on as well.


Keep your RU powder sealed and in the fridge or better yet in the freezer to have the efficacy last for as long as possible. I’ve read that RU can withstand several weeks at normal room temperature before it goes bad, but don’t risk that and just store it in the fridge/freezer. Also, make sure it is kept AWAY from light and sealed tight blocking out air. I have mine stored in a small plastic bottle closed tight but I also put the bottle into a zip

Side Effects

As RU58841 does not affect the production of either testosterone or DHT, the patient’s hormone levels are unchanged. As long as the treatment is localized to the area it is needed, there shouldn’t be any unwanted side effects.

If it is used on the scalp, by effectively inactivating DHT receptors, RU58841 should be able to stop the miniaturization of the hair follicles seen with ongoing exposure to DHT, and therefore reduce or stop androgenetic alopecia.

It is specifically designed as a topical treatment.

RU58841 Powder-Lyphar Biotech Co., Ltd

RU58841 Powder-Lyphar Biotech Co., Ltd

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