Other
Gases (petroleum), steam-cracker C3-rich, if they contain > 0.1% w/w Butadiene
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Steam-cracked C3-rich petroleum gas fractions containing 1,3-butadiene above the EU Cosmetics Annex II threshold, making these non-compliant for use in any skincare formulation due to Category 1A carcinogen classification.
Steam-cracker C3-rich gas streams from petroleum refining contain >0.1% w/w 1,3-butadiene, a genotoxic carcinogen prohibited under EU Cosmetics Regulation Annex II (Regulation 1223/2009). Under EU CLP Regulation 1272/2008, 1,3-butadiene is classified as Carc. 1A H350 (may cause cancer by inhalation exposure). The SCCS has not assessed these streams for cosmetic safety, and they have no established cosmetic function.
Known concerns
- Contains >0.1% w/w 1,3-butadiene (Category 1A carcinogen, EU Annex II banned)
- Flammable gas mixture with no identified cosmetic use
- Unassessed by SCCS for topical application
References
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.