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Humectant

ARGININE PCA

CAS 56265-06-6 / 64855-91-0 Updated
85

Safety score · 0–100

Good

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

About

A pairing of arginine and pyrrolidone carboxylic acid — both natural skin moisturizing factors. Mild humectant with a strong safety record.

Skin benefits

  • Amino acid humectant
  • Part of skin's natural NMF
  • Buffering and skin-conditioning

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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Check your shelf

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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.