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Thiourea and its derivatives, with the exception of the one listed in Annex III

CAS 62-56-6
28

Safety score · 0–100

Caution

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

About

A cosmetic prohibited substance under EU Annex II due to carcinogenic, reproductive toxicity and environmental hazard classification.

Thiourea and its derivatives (except the listed Annex III exception) are banned under EU Annex II of Regulation (EC) No 1223/2009. Thiourea is classified as carcinogenic (H351), toxic for reproduction (H361d), a skin sensitiser (H317) and hazardous to the aquatic environment (H411) under CLP Regulation. The only exception is the specific entry listed in Annex III, which has permitted uses and concentration limits.

Known concerns

  • EU Annex II banned substance
  • Carcinogenic (H351)
  • Reproductive toxicity (H361d)
  • Skin sensitiser (H317)
  • Aquatic environmental hazard (H411)

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Check your shelf

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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.