/DISCLAIMER · RESEARCH_COMPOUND

This page is reference information only. Most compounds described here are research chemicals, not FDA-approved medications. MyTRT does not sell, recommend, or endorse the use of these substances. Always consult a qualified physician.

/5_RU_58841
Peptide

5% RU-58841

Topical Non-Steroidal Anti-Androgen

/HALF_LIFE
Around 5 hours (topical)
/DELIVERY
Topical

/WHAT_IT_IS

RU-58841 is a non-steroidal anti-androgen developed for topical use, known for its ability to inhibit androgen receptors in hair follicles.

/USAGE

Primarily researched for its effectiveness in preventing hair loss related to androgenic alopecia.

/MECHANISM_OF_ACTION

Blocks dihydrotestosterone (DHT) from binding to androgen receptors in scalp follicles, reducing miniaturization of hair follicles.

Reported Benefits

  • +Reduces hair loss
  • +Blocks DHT at receptor level
  • +Topical application minimizes systemic effects

Reported Side Effects

  • Mild skin irritation
  • Dryness or redness
  • Rare hormonal imbalance (if absorbed systemically)

/STACKED_WITH

MinoxidilKetoconazole shampooFinasteride (oral or topical)

/RESEARCH_NOTES

Not approved for human use; often studied in experimental models of androgenic alopecia.

/TRACK_THIS

Browse all 89 in the app.

MyTRT's in-app library has the same 89 peptide entries plus dosing notes, stack builders, and the ability to log them alongside your TRT protocol.

Last reviewed: 2026-06-04 · Reference only. Not medical advice. Consult a qualified physician.