Astringent
POLYGONUM BISTORTA ROOT EXTRACT
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Bistort root extract — a tannin-rich rhizome used as a natural astringent and skin soother. Long ethnobotanical use, no specific EU cosmetic restrictions, and a fine general safety profile.
Function
Skin benefits
- High tannin content for astringent action
- Antioxidant polyphenols
- Soothes irritated skin
- Traditional dermatological use
Known concerns
- Tannins can be drying at higher concentrations
- Limited cosmetic-specific safety dossier
- Possible oxalate content
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related astringents
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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.