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Antioxidant

POTASSIUM ASCORBATE

CAS 15421-15-5 Updated
90

Safety score · 0–100

Excellent

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

About

A buffered, salt form of vitamin C that delivers antioxidant and brightening benefits with less stinging than free ascorbic acid. Excellent safety profile and well-established antioxidant pharmacology.

Function

ANTIOXIDANT

Skin benefits

  • Vitamin C antioxidant activity
  • Buffered, less irritating than ascorbic acid
  • Supports collagen synthesis
  • Brightening and free-radical scavenging

Known concerns

  • Less stable than some derivatives — formulation considerations
  • Possible mild irritation at very high %
  • 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.