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Botanical Extract

RHUS GLABRA BARK EXTRACT

CAS 90106-33-5
66

Safety score · 0–100

Fine

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

Smooth sumac (Rhus glabra) bark extract — a tannin-rich Anacardiaceae botanical. Generally astringent and soothing, but the family includes poison ivy so sensitised users should patch test.

Function

SKIN CONDITIONING

Skin benefits

  • Tannin-rich astringent
  • Antioxidant gallotannins
  • Traditional skin-soothing use

Known concerns

  • Anacardiaceae family includes poison ivy/oak — cross-reactivity possible
  • Tannin content can be drying
  • Limited cosmetic-specific safety review

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Same plant / compound family

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RHUS GLABRA BARK/BERRY/ROOT EXTRACT
Astringent

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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.