5,5-Diphenyl-4-imidazolidone (Doxenitoin (INN))

18

Avoid

CAS Number: 3254-93-1

About 5,5-Diphenyl-4-imidazolidone (Doxenitoin (INN))

5,5-Diphenyl-4-imidazolidone (Doxenitoin (INN)) is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.

Detailed Analysis

Doxenitoin (5,5-diphenyl-4-imidazolidone) is an anticonvulsant drug substance. It is not listed in EU CosIng for cosmetic use and carries H361 (suspected reproductive toxicity) and H373 (organ toxicity) hazard classifications. Its use in cosmetics is not permitted under EU Regulation 1223/2009.

Known Concerns

  • ⚠ Not approved for cosmetic use in EU
  • ⚠ Reproductive toxicity hazard (H361)
  • ⚠ Organ toxicity hazard (H373)
  • ⚠ Pharmaceutical substance not evaluated for topical cosmetic use

Safety Score

18

Avoid

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.