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Antioxidant

SODIUM ASCORBYL PHOSPHATE

CAS 66170-10-3
88

Safety score · 0–100

Good

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

SAP — a stable, water-soluble vitamin C derivative. Brightens, evens tone, and protects from oxidative stress. Gentler than pure ascorbic acid with strong safety data.

Function

ANTIOXIDANT

Skin benefits

  • Stable vitamin C derivative
  • Brightens skin tone and evens dark spots
  • Antioxidant — supports collagen

Known concerns

  • Less potent than free ascorbic acid
  • Possible mild stinging in sensitive users

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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Same plant / compound family

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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.