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Humectant

POTASSIUM PCA

CAS 4810-50-8 Updated
88

Safety score · 0–100

Good

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

About

Potassium salt of pyrrolidone carboxylic acid — a natural moisturizing factor in human skin. Excellent humectant with no documented safety concerns at cosmetic levels.

Function

HUMECTANT

Skin benefits

  • Natural moisturizing factor (NMF) component
  • Strong humectant
  • Skin conditioning, low irritation

Known concerns

  • No significant concerns at cosmetic concentrations

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.