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Astringent

POLYGONUM BISTORTA ROOT EXTRACT

CAS 84012-36-2 Updated
76

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 CONDITIONING

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

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.