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Humectant

LACTOBACILLUS/CASTANOPSIS SIEBOLDII BRANCH/LEAF EXTRACT FERMENT FILTRATE

76

Safety score · 0–100

Fine

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

A fermented Japanese oak (Castanopsis sieboldii) branch/leaf filtrate produced by Lactobacillus, used as a humectant. Polyphenol-rich and well tolerated, but specific safety data on this ferment is limited.

Function

ASTRINGENTHUMECTANTSOLVENT

Skin benefits

  • Humectant moisture-binding
  • Polyphenol-derived antioxidant activity
  • Skin conditioning
  • Mild astringent feel

Known concerns

  • Limited published safety data on this specific ferment
  • Variable composition between batches

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.