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Banned Substance

2-Methylaziridine (propyleneimine)

CAS 75-55-8
1

Safety score · 0–100

Avoid

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

A small reactive heterocycle (propyleneimine) — an alkylating agent that damages DNA. Banned in EU cosmetics under Annex II. Classified as a Cat 1B carcinogen.

Skin benefits

  • Not applicable — banned

Known concerns

  • EU Annex II banned
  • Carc. 1B
  • Acute toxicity all routes
  • Skin/eye corrosive
  • 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, so always read the physical product label and consult a healthcare professional for personal concerns.