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Cheapest · 5g
$61.49
$12.30/mg at Ion Peptide
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topical16 sources in stock

RU58841

Topical AR Antagonist

Topical androgen receptor antagonist. Hair research.

Hair follicle research
↓ Prices↓ Dosing↓ Research

For research use only · Not for human consumption

/ compare by size

Every source for RU58841

Affiliate disclosure: purchases through links below may earn us a commission. Rankings are never sold — methodology · full disclosure

Size:
16 sources for 5g·cheapest $61.49 at Ion Peptide·$12.30/mg
#1
Ion Peptide
★ 4.6· price unverified
$61.49
$12.30/mg
Buy at Ion Peptide →
#2
RefillPen
★ 4.5· price unverified
$63.90
$12.78/mg
Buy at RefillPen →
#3
Purus Peptides
★ 4.7· price unverified
$67.07
$13.41/mg
Buy at Purus Peptides →
#4
Peptira
★ 4.6· price unverified
$68.16
$13.63/mg
Buy at Peptira →
#5
Throne
★ 4.7· price unverified
$74.72
$14.94/mg
Buy at Throne →
#6
Good Labs
★ 4.7· price unverified
$75.37
$15.07/mg
Buy at Good Labs →
#7
EZ Peptides
★ 4.7· price unverified
$85.58
$17.12/mg
Buy at EZ Peptides →
#8
Glow Aminos
★ 4.5· price unverified
$92.95
$18.59/mg
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#9
Lab Sourced
★ 4.7· price unverified
$104.75
$20.95/mg
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#10
Modern Research Peptides
★ 4.8· price unverified
$104.78
$20.96/mg
Buy at Modern Research Peptides →
#11
AlgoRX
★ 4.7· price unverified
$107.91
$21.58/mg
Buy at AlgoRX →
#12
FITSKNS
★ 4.6· price unverified
$109.61
$21.92/mg
Buy at FITSKNS →
#13
Southern Aminos
★ 4.6· price unverified
$110.02
$22.00/mg
Buy at Southern Aminos →
#14
Nano Blue Labs
★ 4.6· price unverified
$141.04
$112.87
$22.57/mg
Buy at Nano Blue Labs →
#15
Glacier Aminos
★ 4.6· price unverified
$112.89
$22.58/mg
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#16
Peppy
★ 4.7· price unverified
$126.63
$25.33/mg
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#17
Omegamino
★ 4.5· price unverified
$107.09
$21.42/mg
Out of stock
🏆Our pick for RU58841
Modern Research Peptides
5g · USA · Card / Crypto
  • ✓Third-party tested (Janoshik)
  • ✓COAs provided — Per-batch comprehensive
  • ✓Highest verification tier in stock
  • ✓4.8★ community rating
$104.78
$20.96/mg
Buy at Modern Research Peptides →
Affiliate link · disclosure
Also solid
Purus Peptides
5g · $13.41/mg
$67.07
Buy →
Throne
5g · $14.94/mg
$74.72
Buy →
Good Labs
5g · $15.07/mg
$75.37
Buy →
How we pick sources →
/ research index

The research base

Research Maturity
★★★☆☆
3/5 — Volume of studies
Evidence Strength
★★★☆☆
3/5 — Quality of evidence

Multiple studies on topical application.

/ mechanism of action

How it works

Local AR antagonism without systemic effects.

/ research dosing

Common research protocols

Range
50-100 mg/day topical (5% solution typical)
Frequency
Once daily
Route
Topical scalp application
Cycle
6+ months for hair research
Research notes

5% solution standard. Apply to dry scalp once daily. Most research uses 50mg/ml ethanol/PG vehicle. Systemic absorption minimal at therapeutic topical doses.

References
PMID: 9762075 →
FOR RESEARCH USE ONLY. Doses listed are compiled from published research literature, FDA-approved drug labels, and well-documented research community practice. Not medical advice.
/ standalone use

As a solo compound

Topical solo use is standard.

/ side effects

What to know

Topical: minimal systemic absorption.

/ timeline

Realistic expectations

12-24 weeks

FOR RESEARCH USE ONLY. RU58841 is intended for laboratory research and not for human consumption.