Thickener
BIS-DECYLTETRADECETH-20/BEHENETH-20 PEG-240/HDI COPOLYMER
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A complex film-forming and thickening copolymer combining ethoxylated fatty alcohols, PEG-240 and HDI isocyanate units. Cured polymer is generally tolerated; PEG and isocyanate residuals require strict purity control.
Skin benefits
- Effective associative thickener
- Controls viscosity and improves texture
- Stable in typical skincare emulsions
Known concerns
- Contains PEG-240 — residual ethylene oxide and 1,4-dioxane impurities possible
- Residual HDI isocyanate monomer requires strict purity control
- Complex ethoxylated polymer with limited cosmetic-specific safety data
- Microplastic-style environmental persistence
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related thickeners
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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.