Skip to content

Antioxidant

QUERCETIN

CAS 117-39-5 Updated
82

Safety score · 0–100

Good

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

About

Quercetin — a yellow plant flavonoid with strong antioxidant credentials. Used topically for free-radical defense and soothing support. Edible safety background; well tolerated on skin.

Skin benefits

  • Antioxidant
  • Anti-inflammatory
  • Soothes oxidative stress
  • Edible-grade safety

Known concerns

  • Limited topical bioavailability
  • Yellow staining
  • Stability challenges

References

EU

EU CosIng database

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

Related antioxidants

82
3,4-DIHYDROXYBENZOYL DIPEPTIDE-49 AMIDE
Antioxidant
 82
3-LAURYLGLYCERYL ASCORBATE
Antioxidant
 82
ACANTHOPANAX SENTICOSUS CALLUS CULTURE EXTRACT
Antioxidant
 82
ACETYL HEPTAPEPTIDE-67 AMIDE
Antioxidant
 82
ACETYL HEXAPEPTIDE-22
Antioxidant
 82
ALPINIA OFFICINARUM LEAF EXTRACT
Antioxidant
 82
AMINOBUTYROYL TRIPEPTIDE-1
Antioxidant
 82
ANTHOCYANINS
Antioxidant

Check your shelf

Find QUERCETIN in your products.

Scan any cosmetic product with LuxSense to see if it contains QUERCETIN and get a full ingredient breakdown with safety scores.

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.