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Hair Conditioning

BIS-LAURYLDIMONIUMHYDROXYETHYL BROMIDE (PEG-220/SMDI COPOLYMER)

CAS 435327-16-8 Updated
60

Safety score · 0–100

Fine

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

About

A cationic PEG-polyurethane copolymer used for conditioning and thickening. Generally low irritation at cosmetic concentrations; residual monomer control is important.

Skin benefits

  • Cationic PEG-polyurethane provides conditioning and film-forming
  • Combines surfactant and rheology effects in one polymer
  • Generally low irritation due to polymer size

Known concerns

  • PEG/polyurethane chemistry can carry trace 1,4-dioxane or isocyanate residues
  • Cationic surfactant chemistry may irritate eyes
  • Limited public SCCS review for this specific copolymer

References

EU

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.