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Skin Conditioning

QUERCUS SERRATA EXTRACT

Updated
75

Safety score · 0–100

Fine

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

About

Konara oak (Quercus serrata) extract used as a botanical astringent and skin conditioner. Generally well tolerated at cosmetic levels, with the usual tannin-related dryness caveat at higher use rates.

Function

SKIN CONDITIONING

Skin benefits

  • Tannin and polyphenol antioxidants
  • Mild astringent skin conditioning
  • No EU regulatory restrictions

Known concerns

  • Tannins can be drying at high inclusion
  • Limited cosmetic-specific published data
  • Variable batch 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.