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DICETYL DIPEPTIDE-9

80

Safety score · 0–100

Good

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

About

A peptide-based ingredient designed to support the skin barrier and improve hydration by mimicking natural skin peptides.

Dicetyl Dipeptide-9 is a synthetic dipeptide conjugated with two cetyl (C16) chains. The peptide sequence is inspired by natural skin barrier proteins. Cetyl modification may improve the ingredient's substantivity to skin. Used in advanced skin-care formulations for barrier support and moisturization. Not restricted under EU cosmetics regulations.

Skin benefits

  • Supports skin barrier integrity
  • May improve skin hydration levels
  • Peptide technology for anti-aging benefits

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 — always read the physical product label and consult a healthcare professional for personal concerns.