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Skin Conditioning

POLYGONUM MULTIFLORUM LEAF/STEM/ROOT EXTRACT

Updated
35

Safety score · 0–100

Caution

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

About

An extract of Chinese knotweed (Polygonum multiflorum / Fallopia multiflora). Strongly avoid: oral use is well-documented to cause idiosyncratic liver injury, and anthraquinones can be photoreactive on skin.

Function

SKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Stilbene and anthraquinone phytochemicals
  • Traditional medicinal use heritage
  • Possible antioxidant activity

Known concerns

  • Established hepatotoxicity (idiosyncratic liver injury) from oral use
  • Anthraquinones are photoreactive and can sensitise skin
  • Banned or restricted in several markets for systemic use

References

EU

EU CosIng database

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

Related skin conditionings

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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.