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Skin Conditioning

CYCLOHYDROXYPROLYL SERINE

CAS 211868-63-2 Updated
78

Safety score · 0–100

Fine

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

About

A cyclic dipeptide of hydroxyproline (a collagen amino acid) and serine — designed as a small signaling molecule that may support skin firmness. Newer ingredient; safety profile looks benign but data is limited.

Skin benefits

  • Skin conditioning small peptide
  • Hydration support
  • Potential collagen synthesis support

Known concerns

  • Limited published safety literature
  • Newer cosmetic active with thin track record

References

EU

EU CosIng database

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

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ACANTHOPANAX SESSILIFLORUS CALLUS EXTRACT
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ACER SACCHARUM EXTRACT
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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.