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Antioxidant

POLYGONUM CUSPIDATUM ROOT EXTRACT

Updated
78

Safety score · 0–100

Fine

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

About

Japanese knotweed root extract — the most common natural source of resveratrol. Strong antioxidant and anti-inflammatory profile with no notable safety issues at cosmetic concentrations.

Function

ANTIOXIDANT

Skin benefits

  • Antioxidant
  • Anti-aging support
  • Soothes inflammation
  • Photoprotective

Known concerns

  • Concentration variability
  • Possible irritation in sensitive skin

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.