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Banned Substance

Chloromethyl methyl ether

CAS 107-30-2 Updated
2

Safety score · 0–100

Avoid

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

About

A reactive industrial reagent and IARC Group 1 human carcinogen — strictly banned from any cosmetic use in the EU. It has no legitimate place in personal-care products and would only ever be a contamination concern.

Skin benefits

  • No legitimate cosmetic benefit

Known concerns

  • IARC Group 1 human carcinogen
  • Acutely toxic via inhalation, skin and ingestion
  • Banned from cosmetic use under EU Annex II
  • Highly reactive alkylating agent

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.