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Botanical Extract

QUERCUS ROBUR ROOT EXTRACT

CAS 71011-28-4 Updated
80

Safety score · 0–100

Good

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

About

English oak root extract — a high-tannin botanical with strong astringent and antioxidant action. Long history of European traditional use and a generally favourable cosmetic safety profile.

Function

ASTRINGENT

Skin benefits

  • High tannin astringent toning
  • Anti-inflammatory polyphenols
  • Antimicrobial action
  • Antioxidant proanthocyanidins

Known concerns

  • High tannin content can dry sensitive skin
  • Possible mild irritation in leave-on at high levels
  • Variable extract composition

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.