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Skin Conditioning

ACETYL D-GLUTAMYL D-LEUCYL D-CYSTEINE

76

Safety score · 0–100

Fine

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

A synthetic acetyl-tripeptide of D-glutamic acid, D-leucine, and D-cysteine. The free cysteine thiol gives mild antioxidant character but can oxidize over time. Likely safe at cosmetic levels with limited public data.

Function

SKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Skin conditioning
  • Mild antioxidant from thiol
  • Enzyme-resistant

Known concerns

  • Thiol oxidation / odor in storage
  • Sparse independent safety data

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.