← All compoundsRU58841
See RU58841 →See Pyrilutamide →
/ comparison
RU58841
vs
Pyrilutamide
Side-by-side comparison of mechanism, research, dosing, side effects, and pricing.
topical
RU58841
Topical androgen receptor antagonist. Hair research.
Cheapest
$61.49
5g at Ion Peptide
topical
Pyrilutamide
Newer topical AR antagonist. Hair research.
Cheapest
$79.29
5g at Modern Research Peptides
/ research scoring
Research base
RU58841
Research Maturity★★★☆☆
Evidence Strength★★★☆☆
Multiple studies on topical application.
Pyrilutamide
Research Maturity★★★☆☆
Evidence Strength★★★☆☆
Phase 3 trials underway.
/ mechanism
How they work
RU58841
Local AR antagonism without systemic effects.
Pyrilutamide
Topical AR antagonism.
/ research dosing
Protocols compared
RU58841
Range: 50-100 mg/day topical (5% solution typical)
Frequency: Once daily
Route: Topical scalp application
5% solution standard. Apply to dry scalp once daily. Most research uses 50mg/ml ethanol/PG vehicle. Systemic absorption minimal at therapeutic topical doses.
Pyrilutamide
Range: 5-10 mg/day topical (0.5% solution)
Frequency: Once daily
Route: Topical scalp
0.5% solution standard (5mg/ml). Topical androgen receptor inhibitor with lower systemic absorption than RU58841.
/ side effects & timeline
What to expect
RU58841
Side effects
Topical: minimal systemic absorption.
Timeline
12-24 weeks
Pyrilutamide
Side effects
Topical: well-tolerated.
Timeline
16-24 weeks
/ pricing
Price comparison
RU58841
Lowest price$61.49 (5g)
Min $/mg$12.30/mg
Avg $/mg$18.13/mg
Max $/mg$25.33/mg
Pyrilutamide
Lowest price$79.29 (5g)
Min $/mg$15.86/mg
Avg $/mg$23.88/mg
Max $/mg$28.85/mg
/ which to pick
The honest verdict
Pick RU58841 if: Topical solo use is standard.
Pick Pyrilutamide if: Topical solo standard.
Why not both? Some researchers run them together. Check our Interaction Matrix to see if these compounds synergize or work independently.
FOR RESEARCH USE ONLY. Both compounds are intended for laboratory research and not for human consumption.