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Skin Conditioning

POLYGONUM FILIFORME FLOWER/LEAF/STEM EXTRACT

Updated
68

Safety score · 0–100

Fine

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

About

Knotweed (Polygonum filiforme) aerial-parts extract — a polyphenol-rich botanical with astringent and antioxidant action. Cosmetic-specific data is limited, and Polygonum anthraquinones can occasionally irritate.

Function

HUMECTANT

Skin benefits

  • Antioxidant polyphenols
  • Astringent tannin content
  • Skin-conditioning and toning
  • Traditional herbal use

Known concerns

  • Polygonum species can contain emodin/anthraquinones — possible irritants
  • Sparse cosmetic-specific safety data
  • Variable phytochemistry

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.