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Skin Conditioning

PALMITOYL SERINE/SILK AMINO ACIDS METHYL ESTERS

CAS 297157-14-3 Updated
78

Safety score · 0–100

Fine

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

About

A hybrid that pairs silk-derived amino acids and serine with a palmitoyl lipid anchor for better skin penetration. Mild profile typical of palmitoyl peptides; silk source means it's not vegan.

Function

HAIR CONDITIONINGNAIL CONDITIONINGSKIN CONDITIONING

Skin benefits

  • Lipid-anchored amino acids penetrate well
  • Conditions and softens skin
  • Silk-derived peptides for moisturisation

Known concerns

  • Silk-derived — animal source, not vegan
  • Methyl esters slightly more reactive than free acids
  • Limited public dossier

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