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Antioxidant

REYNOUTRIA SACHALINENSIS ROOT/STEM EXTRACT

Updated
72

Safety score · 0–100

Fine

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

About

Giant knotweed (Sakhalin) root/stem extract, a known source of resveratrol-class antioxidants. Generally well tolerated; raw genus contains emodin so quality control matters.

Function

SKIN CONDITIONING - EMOLLIENT

Skin benefits

  • Resveratrol-class antioxidants
  • Polyphenol skin-conditioning
  • Traditional botanical use

Known concerns

  • Genus contains emodin (anthraquinone)
  • Sparse cosmetic-specific safety data
  • Variable composition

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.