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Antioxidant

RHUS SEMIALATA LEAF EXTRACT

Updated
58

Safety score · 0–100

Moderate

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

About

Chinese sumac (Rhus semialata) leaf extract — tannin-rich astringent. Rhus genus has known urushiol allergens; cross-reactivity in poison-ivy/oak-sensitive users is a real caveat.

Function

ANTIFOAMINGANTIMICROBIALASTRINGENTSKIN CONDITIONING - EMOLLIENTHAIR CONDITIONING

Skin benefits

  • Tannin antioxidants and astringent action
  • Polyphenols including gallotannins
  • Traditional East Asian use

Known concerns

  • Rhus genus contains potent contact allergens (urushiol) — even non-poisonous species cross-react
  • Tannin loads can dry skin
  • Sparse modern cosmetic safety data

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.