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Skin Conditioning

RHUS CORIARIA LEAF/STEM EXTRACT

CAS 91770-58-0 Updated
65

Safety score · 0–100

Fine

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

About

Sumac leaf and stem extract, rich in tannins and polyphenols. Used for antioxidant and astringent effects; people sensitive to other Rhus species should patch-test.

Function

ANTIOXIDANT

Skin benefits

  • Polyphenol-rich antioxidant
  • Traditional astringent and soothing use
  • Tannin-driven skin tone evening

Known concerns

  • Possible sensitization in tannin-reactive skin
  • Some Rhus species cross-react with poison sumac
  • Limited formal cosmetic dossier

References

EU

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 — always read the physical product label and consult a healthcare professional for personal concerns.