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Botanical Extract

QUERCUS GLAUCA BRANCH/LEAF EXTRACT

Updated
72

Safety score · 0–100

Fine

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

About

Japanese blue oak branch and leaf extract — a tannin-rich botanical providing astringent and antioxidant action. Well tolerated at usual cosmetic levels; high-tannin formulas can be drying.

Function

SKIN CONDITIONING

Skin benefits

  • Tannin-driven astringent action
  • Antioxidant phenolics
  • Traditional skin tonic

Known concerns

  • High tannin levels can be drying
  • Possible mild sensitisation
  • Limited 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.