Industrial chemical (prohibited)
Propiolactone
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Beta-propiolactone, a reactive sterilant and known carcinogen. Prohibited from cosmetics under EU CMR rules, it appears in this catalog only as a regulator-banned reference substance.
Skin benefits
- No cosmetic benefit, beta-propiolactone is a chemical sterilant
- Historical use in vaccine and laboratory sterilization
Known concerns
- IARC Group 2B and EU Category 1B carcinogen
- Direct alkylating agent, highly reactive with DNA and proteins
- Prohibited in cosmetics under EU Annex II CMR rules
- Severe irritant and corrosive to skin and mucous membranes
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related industrial chemical (prohibited)s
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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.