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Skin Conditioning

ARGININE/LYSINE POLYPEPTIDE

CAS 31014-78-5
78

Safety score · 0–100

Fine

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

A simple amino-acid polypeptide of arginine and lysine used to condition skin and hair. Well tolerated; safety data is limited but the parent amino acids are gold-standard.

Function

SKIN CONDITIONING

Skin benefits

  • Skin-conditioning peptide
  • Mild humectant
  • Supports protein-based skin feel

Known concerns

  • Limited public dossier
  • Sourcing variability

References

EU

EU CosIng database

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

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ACETYL D-ASPARAGINYL D-THREONYL D-TYROSINE
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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.