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Skin Conditioning

MENTHYL PCA

CAS 64519-44-4 / 68127-22-0 Updated
78

Safety score · 0–100

Fine

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

About

The menthol ester of pyrrolidone carboxylic acid (PCA). Provides longer-lasting cooling than menthol with humectant action. Generally well tolerated.

Skin benefits

  • Long-lasting cooling effect
  • Mild humectant
  • Skin conditioning

Known concerns

  • Possible irritation in sensitive skin
  • Mild eye sting at high levels

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