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TOCOQUINONE

CAS 7559-04-8
65

Safety score · 0–100

Fine

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

About

Tocoquinone is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

Tocoquinone (also called tocopherol quinone) is a naturally occurring oxidation product of tocopherols (vitamin E). It exhibits antioxidant activity but is less studied in topical applications compared to tocopherols themselves. The CosIng database does not list tocoquinone as a distinct approved cosmetic ingredient, suggesting limited regulatory evaluation. While not inherently toxic, its safety profile at cosmetic concentrations lacks comprehensive data, warranting caution.

Skin benefits

  • Antioxidant properties
  • May contribute to vitamin E antioxidant network in skin

Known concerns

  • Limited EU regulatory evaluation and CosIng listing
  • Insufficient long-term topical safety data
  • May be a marker of vitamin E oxidation in formulations

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 — always read the physical product label and consult a healthcare professional for personal concerns.