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Astringent

CASTANEA CRENATA BRANCH/LEAF EXTRACT

Updated
76

Safety score · 0–100

Fine

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

About

Japanese chestnut branch/leaf extract — a tannin- and ellagic-acid-rich botanical used as an antioxidant astringent. Considered safe at cosmetic levels with no specific EU restrictions.

Function

SKIN CONDITIONING

Skin benefits

  • Tannin and ellagic acid antioxidants
  • Mild astringent action
  • Skin soothing
  • Traditional dermatological reputation

Known concerns

  • Tannins can be drying at higher levels
  • Possible chestnut/Fagaceae allergy
  • Limited cosmetic safety dossier

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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RHIZOPHORA MANGLE EXTRACT
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ACACIA ARABICA STEM BARK EXTRACT
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HAMAMELIS VIRGINIANA BARK/LEAF EXTRACT
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QUERCUS ACUTISSIMA FRUIT POWDER
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SANGUISORBA MINOR EXTRACT
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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.