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Antioxidant (synthetic)

TETRABUTYL ETHYLIDENEBISPHENOL

CAS 35958-30-6
58

Safety score · 0–100

Moderate

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

A hindered bisphenol antioxidant used to stabilize fats and polymers against oxidation. While effective at low levels, alkylphenol-type structures raise growing endocrine and aquatic toxicity concerns.

Skin benefits

  • Hindered phenol antioxidant stabilizing oils and polymers
  • Helps prevent rancidity and color change
  • Effective at low use levels

Known concerns

  • Structurally related to alkylphenols with endocrine concerns
  • Limited cosmetic-specific safety data
  • Possible aquatic toxicity
  • Not commonly used in modern cosmetic formulas

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.