Antioxidant
POLYGONUM HYDROPIPER LEAF EXTRACT
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Leaf extract from water pepper, used in skincare for antioxidant and anti-aging benefits. Generally well tolerated; concentrated forms can sting, and sourcing matters.
Skin benefits
- Water pepper antioxidant and antimicrobial action
- Collagenase inhibition supports anti-aging
- Soothing on itchy or reddened skin
Known concerns
- Contains polygodial, a potential irritant if concentrated
- Reports of heavy metal accumulation in some wild stock
- Limited formal cosmetic safety review
References
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, so always read the physical product label and consult a healthcare professional for personal concerns.