Skin Conditioning
MYRISTOYL NONAPEPTIDE-3
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A lab-made signal peptide attached to a fatty acid (myristic acid) to help it penetrate skin. Marketed for firming. Used at very low levels with no notable safety concerns.
Function
Skin benefits
- Marketed as signal peptide for skin firming
- Generally low irritation at trace use levels
- Stable in well-formulated emulsions
Known concerns
- Efficacy claims often outpace independent evidence
- Limited public toxicology data on this specific peptide
- Used at trace ppm so any benefit is modest
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.