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Skin Conditioning

MYRISTOYL NONAPEPTIDE-3

70

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

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 CONDITIONING

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

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.