Nonapeptide‑1 (Melanostatine) – The Upstream Peptide That Stops Melanin Before It Starts
A targeted, non‑irritating peptide that competitively blocks the MC1R receptor, preventing α‑MSH from activating melanocytes. Clinically proven to lighten age spots by 25% in 6 weeks, brighten complexion, and prevent UV‑induced pigmentation – without the side effects of traditional whitening agents.
Product Overview:
Nonapeptide‑1 (INCI: Nonapeptide‑1, also known as Melanostatine) is a synthetic peptide composed of nine amino acids. Unlike conventional whitening agents that inhibit tyrosinase after melanin synthesis has begun, Nonapeptide‑1 acts upstream. It mimics the natural sequence of α‑MSH (melanocyte‑stimulating hormone) and binds competitively to the MC1R receptor on melanocytes. By occupying the receptor, it prevents α‑MSH from triggering the cascade that leads to melanin production. This mechanism stops pigmentation at its source – long before tyrosinase is activated.
| Benefit | Mechanism / Data |
|---|---|
| 🧬 Blocks melanogenesis at the source | Competitively antagonises MC1R receptor – prevents α‑MSH binding, stops melanin synthesis before it starts. |
| ✨ Reduces age spots & hyperpigmentation | 6‑week clinical study (4% Nonapeptide‑1 cream, twice daily): age spots lightened by 15% at 3 weeks, 25% at 6 weeks. |
| 🛡️ Protects against UV‑induced pigmentation | In vivo (n=20, UV exposure): peptide‑treated skin showed significantly less redness/colour change vs. placebo – effective photoprotection. |
| 🌿 Improves overall skin tone & texture | 4‑week study (n=50 Asian women, 4% cream): |
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Dull complexion reduced: 86% (1 week) → 92% (4 weeks)
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Age spots reduced: 62% → 78%
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Skin tone evenness: 74% → 88%
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Translucency: 66% → 90%
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Smoothness/refinement: 70% → 88% |
| ⚡ Safe & non‑irritating | No cytotoxicity, no skin irritation, no discolouration; high formulation stability. |
| Parameter | Value |
|---|---|
| INCI Name | Nonapeptide‑1 |
| Molecular formula | C₆₁H₈₇N₁₅O₉S |
| Appearance | White to off‑white powder |
| Solubility | Water‑soluble |
| Recommended dosage | 1 – 5% (typically 2‑4% in whitening serums/creams) |
| Formulation pH | 5.0 – 7.0 |
| Addition temperature | <50°C (cool‑down phase) |
| Applications | Whitening serums, anti‑age spot creams, brightening lotions, UV‑protection boosters, post‑inflammatory hyperpigmentation treatments. |
Why Formulators Choose Nonapeptide‑1:
✅ Unique upstream mechanism – works before tyrosinase, complements other actives.
✅ Clinically proven – 6‑week age spot reduction, 4‑week comprehensive skin brightening.
✅ Safe & gentle – no irritation, no cytotoxicity, no discolouration.
✅ Premium image – used by luxury brand La Prairie in their White Cavier collection.
✅ Easy to formulate – water‑soluble, stable at pH 5‑7.
Formulation Guidelines:
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Dosage: 1 – 5% (2‑4% for optimal whitening/spot correction).
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Addition: Add to water phase during cool‑down (<50°C).
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pH: 5.0‑7.0.
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Synergy: Can be combined with tyrosinase inhibitors (e.g., vitamin C, arbutin, kojic acid) for multi‑target whitening.
Nonapeptide‑1 – The intelligent peptide that stops dark spots before they appear.
