Nonapeptide-1
A synthetic nine-amino-acid peptide that blocks alpha-MSH at the melanocortin-1 receptor, reducing the signal for melanin production. Used in creams and serums for dark spots and uneven tone; evidence is mostly in-vitro and manufacturer studies.
Cosmetic ingredient; not a drug.
Look it up on Wikipedia1 listing across 1 independently tested vendor, ranked by price per milligram after coupon codes anyone can use. Vendors you can only order from by message are hidden.
Daily price tracking started October 7, 2026; a price-history chart appears here once a few days have been collected.
| Vendor | Trust | Listing | Vials | Price | Per mg | |
|---|---|---|---|---|---|---|
Core Peptides #282 by metascore |
Metascore 70 medium confidenceFinnrick 76%PepIndex 24/100Bought vials 92% of label · 4 testsTitrateLab · PeptideBase · Peptide Critic · PeptideCheckedNo report for thisOnline checkout |
Nonapeptide-1 – 200MG | 1 × 200 mg | $214.00 | $1.07 | Buy |
Mixing a 200 mg vial
What each common amount of bacteriostatic water gives you on a U-100 insulin syringe. Pick a vial size above to change it.
| Water | Strength | Per 10 units (0.1 mL) | Per unit |
|---|---|---|---|
| 1 mL | 200 mg/mL | 20,000 mcg | 2,000 mcg |
| 2 mL | 100 mg/mL | 10,000 mcg | 1,000 mcg |
| 3 mL | 66.667 mg/mL | 6,666.7 mcg | 666.67 mcg |
| 5 mL | 40 mg/mL | 4,000 mcg | 400 mcg |
Discussions elsewhere
Experiences and questions about Nonapeptide-1 on other sites. Treat anecdotes with care.
Nonapeptide-1: questions people ask
What is Nonapeptide-1?
Cosmetic skin-brightening peptide (Melanostatine-5). A synthetic nine-amino-acid peptide that blocks alpha-MSH at the melanocortin-1 receptor, reducing the signal for melanin production. Used in creams and serums for dark spots and uneven tone; evidence is mostly in-vitro and manufacturer studies.
How much does Nonapeptide-1 cost?
The cheapest Nonapeptide-1 from an independently tested vendor is $1.07 per mg (Core Peptides, Nonapeptide-1 – 200MG, $214.00). Across 1 listings from 1 vendors the median is $1.07 per mg.
Where can I buy Nonapeptide-1?
1 vendors tested by Finnrick sell Nonapeptide-1. The cheapest per mg right now: Core Peptides ($1.07). 0 of them publish a lab report (COA) for Nonapeptide-1; compare lab scores and reports in the table above before buying.
Is Nonapeptide-1 FDA approved?
Cosmetic ingredient; not a drug.