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Skin Conditioning

CASTANOPSIS SIEBOLDII LEAF EXTRACT

Updated
70

Safety score · 0–100

Fine

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

About

Leaf extract from Sudajii, a Japanese chinquapin tree. Provides tannin and polyphenol antioxidants for skin conditioning. No notable topical safety alerts.

Function

ANTIMICROBIALANTIOXIDANTSKIN CONDITIONING - HUMECTANTSKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Beech-family tannin antioxidants
  • Astringent skin conditioning
  • Polyphenol content
  • Reported anti-inflammatory activity

Known concerns

  • Tannins can dry sensitive skin
  • Limited cosmetic safety data
  • No CIR or SCCS evaluation

References

EU

EU CosIng database

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

Related skin conditionings

70
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA) ROOT/CNIDIUM OFFICINALE RHIZOME EXTRACT
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 70
(ARTEMISIA SIEVERSIANA/DIMOCARPUS LONGANA) FLOWER/LEAF/STEM EXTRACT
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 70
(ASPARAGUS COCHINCHINENSIS/LIRIOPE MUSCARI/REHMANNIA CHINENSIS) ROOT EXTRACT
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 70
(CNIDIUM OFFICINALE/COPTIS CHINENSIS/GLYCYRRHIZA URALENSIS) ROOT EXTRACT
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 70
(VETIVERIA ZIZANOIDES ROOT/PUERARIA THUNBERGIANA FLOWER/LEAF/STEM) WATER
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 70
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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.