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Skin Conditioning

QUERCUS PETRAEA SAP

CAS 90082-12-5
72

Safety score · 0–100

Fine

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

Sap from sessile oak — a tannin-rich astringent and antioxidant. Generally well tolerated at cosmetic levels; high-tannin loads can be drying for sensitive skin.

Function

ANTIOXIDANT

Skin benefits

  • Tannin-rich astringent
  • Polyphenol antioxidant
  • Skin toning effect

Known concerns

  • Tannins can dry/irritate at higher %
  • Possible sensitization
  • Limited modern toxicology

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