Skin Conditioning
NONAPEPTIDE-5
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A nine-amino-acid synthetic peptide used at trace levels for tone-evening claims. Generally well tolerated, but independent clinical evidence is thin.
Function
Skin benefits
- Skin-conditioning signal peptide
- Marketed for tone-evening
- Used at very low percentages
- Generally non-irritating in finished formulas
Known concerns
- Marketing-led claims often outpace clinical evidence
- Limited public independent safety data
- Stability and supplier-grade variation
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related skin conditionings
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.