Skin Conditioning
POLYGONUM MULTIFLORUM LEAF/STEM/ROOT EXTRACT
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 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 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.