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Antioxidant

ALPHA-GLYCOSYL ISOQUERCITRIN

Updated
82

Safety score · 0–100

Good

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

About

A water-soluble quercetin sugar (enzymatically glycosylated isoquercitrin) used as an antioxidant. GRAS-status, not a dermal sensitizer in patch testing.

Skin benefits

  • Bioavailable quercetin glycoside antioxidant
  • Not a dermal sensitizer in LLNA testing
  • Generally Recognized as Safe by FDA and FEMA
  • Anti-inflammatory and free-radical scavenging

Known concerns

  • Primarily studied for oral use rather than topical
  • Cosmetic-specific concentration data is limited

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