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Astringent

CORYLUS AVELLANA BARK EXTRACT

CAS 84012-21-5 Updated
72

Safety score · 0–100

Fine

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

About

An extract of hazel tree bark with astringent tannins. Generally well tolerated, but tree-nut allergic users should patch test.

Function

SKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Astringent tannins
  • Antioxidant phenolics
  • Skin toning

Known concerns

  • Hazelnut allergen cross-reactivity in tree-nut allergic users
  • Drying with heavy use

References

EU

EU CosIng database

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

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ALUMINUM ACETATE
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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.