Nonapeptide-1
Also known as: Melanostatine
A potent melanin inhibitor that reduces tyrosinase activity for skin lightening. Used in brightening products for long-term pigmentation treatment.
Beginner Basics
Plain-English guide to Nonapeptide-1
What it does
This ingredient works to slow down the process that creates skin pigment (melanin), helping to fade dark spots and even out skin tone over time. Researchers typically study it in brightening creams and serums for treating uneven pigmentation.
Typical dose
Used in skincare products at 1-3% concentration, applied once or twice daily directly to the skin.
When to inject
Apply in the morning and/or evening as part of your regular skincare routine. Morning application can be paired with sunscreen since skin lightening products work best with sun protection.
Storage
Keep the dry powder in a cool, dark, dry place in a sealed container. Once mixed into a cream or serum, store in the refrigerator and use within the product's recommended timeframe.
First-timer tip
Start with the lowest concentration (1%) and use it for 2-3 weeks before increasing to 2-3%, since skin can be sensitive to pigment-altering ingredients. Always use sunscreen daily while using this product.
On This Page
Research Status
Moderate Clinical Data
For research purposes only. Not approved for human use. Not medical advice.
Research Areas
Side Effects
May occur in sensitive individuals, particularly at higher concentrations (2–3%). Usually resolves within 1–2 weeks of use. Reduce frequency to 1x daily or lower concentration if irritation persists.
Topical peptides can occasionally cause mild dryness. Use a hydrating moisturizer after application. Ensure adequate hydration.
Rare but possible in individuals with peptide sensitivity or other ingredient allergies. Perform a patch test on a small area (inner arm or behind ear) for 24–48 hours before full facial application. Discontinue if rash, swelling, or severe itching develops.
Some tyrosinase inhibitors may increase sun sensitivity. Use broad-spectrum SPF 30+ sunscreen daily during and after treatment.
Inconsistent application or variable skin thickness can lead to uneven results. Apply evenly and consistently to affected areas. Results improve with continued use.
Dosing Reference
| Parameter | Value |
|---|---|
| Dose range | 1-3 % |
Frequency, timing and route - members only | |
Research disclaimer
Figures drawn from published research literature and community logs. Not clinical recommendations. Consult a qualified professional. Research use only.
Reconstitution Guide
Do not use saline or bacteriostatic saline, use only bacteriostatic water for reconstitution
Do not shake the vial vigorously; gentle swirling prevents peptide degradation
Discard immediately if the solution appears cloudy, discolored, or contains visible particles
Use within 30 days of reconstitution when stored at 2-8°C
Do not freeze the reconstituted solution; freezing may denature the peptide
Use the PeptideVolt reconstitution calculator for your exact concentration
Molecular and Pharmacological Data
Nonapeptide-1 inhibits tyrosinase, the key enzyme responsible for melanin synthesis. By reducing tyrosinase activity, it decreases the conversion of L-tyrosine to dopaquinone, the first committed step in melanin production. This results in reduced melanin deposition in the epidermis and a gradual lightening of hyperpigmented areas.
Track your Nonapeptide-1 research
Free account. No credit card required.
Recent Research
Optimization of Dielectric Material Improves Ionization Capability and Mass Range of Dielectric Barrier Discharge Ionization Mass Spectrometry.
Enhanced skin benefits of EGCG loaded in nonapeptide-1-conjugated mesoporous silica nanoparticles to reverse skin photoaging.
Effects of tea polyphenols on UVA-induced melanogenesis via inhibition of α-MSH-MC1R signalling pathway.
Source: PubMed / NCBI. Updated daily. Articles are listed for research reference only.
Browse the Research Library
40+ peptide profiles with mechanism summaries, dosing data, and reconstitution guides.
View all peptidesResearch Use Only. All content on this page is provided for informational and educational purposes related to scientific research. Nonapeptide-1 is not approved for human use by the FDA or any equivalent regulatory body. This is not medical advice. Do not use any substance discussed here for therapeutic, diagnostic, or preventative purposes. Consult a qualified healthcare professional before making any health-related decisions. The Peptide Volt does not endorse the use of any research chemicals. 18+ only.