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Preservative

POLYLYSINE ACETATE

Updated
78

Safety score · 0–100

Fine

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

About

A naturally derived polypeptide preservative — chains of the amino acid lysine that disrupt microbial membranes. Generally well tolerated and biodegradable; a cleaner alternative to synthetic preservatives.

Function

ANTI-SEBUM

Skin benefits

  • Natural antimicrobial preservative
  • Biodegradable polypeptide
  • Effective at low concentrations
  • Mild on skin

Known concerns

  • Possible irritation at high levels
  • Limited cosmetic-specific clinical data

References

EU

EU CosIng database

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

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Check your shelf

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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.