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Synthetic antioxidant / hydroquinone

DI-T-BUTYLHYDROQUINONE

CAS 88-58-4
22

Safety score · 0–100

Caution

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

A di-tert-butyl hydroquinone antioxidant used mainly as a food and industrial stabilizer. Its ECHA GHS profile flags skin sensitization, irritation and repeated exposure organ toxicity, and the hydroquinone class is tightly restricted in EU cosmetics.

Skin benefits

  • Strong antioxidant in industrial and food matrices
  • Used to retard rancidity in oils

Known concerns

  • GHS signal word Danger with multiple H statements
  • Skin irritation H315, eye irritation H319, skin sensitizer H317
  • Specific target organ toxicity on repeated exposure H373
  • Hydroquinone class is restricted in EU cosmetics

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.