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Astringent

QUERCUS ALBA BARK EXTRACT

CAS 68917-11-3 Updated
80

Safety score · 0–100

Good

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

About

White oak bark extract — classic tannin-rich astringent that tightens pores and offers mild antimicrobial action. Well-tolerated at typical cosmetic levels; can dry sensitive skin if overdone.

Function

ASTRINGENTSKIN CONDITIONING

Skin benefits

  • Tannin astringent action
  • Pore tightening and oil control
  • Antimicrobial properties
  • Centuries of herbal use

Known concerns

  • High-tannin extracts can dry sensitive skin
  • Avoid prolonged contact with broken skin

References

EU

EU CosIng database

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

Related astringents

80
GERANIUM ROBERTIANUM EXTRACT
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CASTANEA CRENATA BRANCH/LEAF EXTRACT
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PLATANUS OCCIDENTALIS BARK EXTRACT
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POLYGONUM BISTORTA ROOT EXTRACT
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RIBES NIGRUM LEAF
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 75
RHIZOPHORA MANGLE EXTRACT
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 74
ACACIA ARABICA STEM BARK EXTRACT
Astringent
 74
HAMAMELIS VIRGINIANA BARK/LEAF EXTRACT
Astringent

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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.