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Antioxidant

PENTAPEPTIDE-27

86

Safety score · 0–100

Good

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

A small cysteine-containing peptide used as a mild antioxidant and chelator that helps protect skin from oxidative stress. Considered safe at cosmetic concentrations with no EU restrictions.

Function

ANTIOXIDANTCHELATINGSKIN PROTECTING

Skin benefits

  • Cysteine-bearing antioxidant peptide
  • Chelates pro-oxidant metals
  • Supports skin signaling
  • Compatible with most formulas

Known concerns

  • Limited independent efficacy data
  • Cysteine residue may be oxidation-sensitive

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.