Prohibited industrial monomer
4-Methyl-m-phenylene diisocyanate (Toluene 2,4-diisocyanate)
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Toluene 2,4-diisocyanate is an industrial chemical used to make foams and coatings. It is banned from cosmetics in the EU because it can cause asthma, allergies, and possible cancer.
Skin benefits
- Industrial monomer for polyurethane foams and coatings
- No legitimate cosmetic application
Known concerns
- Classified as Carc. 2 and Resp. Sens. 1 under EU CLP
- Banned in EU cosmetics (Annex II)
- Causes severe respiratory sensitization and occupational asthma
- Strong skin and eye irritant with acute toxicity
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related prohibited industrial monomers
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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.