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Antioxidant (substituted cresol)

2-TERT-BUTYL-P-CRESOL

CAS 2409-55-4
52

Safety score · 0–100

Moderate

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

Hindered phenol antioxidant structurally related to BHT used to prevent oxidative degradation in cosmetics. Carries endocrine and environmental concerns typical of the substituted cresol family.

Skin benefits

  • Hindered phenol antioxidant preventing oxidative rancidity
  • Stabilises lipid-rich cosmetic formulations
  • Extends product shelf life

Known concerns

  • Endocrine disruptor concerns flagged for BHT-related cresols
  • Possible skin sensitizer at higher levels
  • Environmental concerns over bioaccumulation in aquatic systems
  • Limited dedicated SCCS opinion for this specific isomer

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.