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Banned Substance

Alkanes, C4-5, if they contain > 0.1% w/w Butadiene

CAS 68475-60-5
2

Safety score · 0–100

Avoid

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

A C4-C5 alkane mix containing carcinogenic butadiene above 0.1%. Listed in EU Annex II as a banned cosmetic substance.

Skin benefits

  • Petrochemical feedstock; LPG component

Known concerns

  • EU Annex II banned in cosmetics
  • Contains 1,3-butadiene (IARC Group 1 carcinogen)
  • Volatile flammable
  • Industrial-only use

References

EU

EU CosIng database

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

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Buta-1,3-diene, see also entries 464-611
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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.