Skip to content

Thickener

PEG-150/STEARYL ALCOHOL/SMDI COPOLYMER

72

Safety score · 0–100

Fine

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

A PEG-based polyurethane thickener used in shampoos and cleansers for texture and stability. Inert as a finished polymer — main caveat is making sure 1,4-dioxane impurities stay low.

Function

FILM FORMINGVISCOSITY CONTROLLING

Skin benefits

  • Effective rheology modifier and thickener
  • Improves texture in surfactant systems (shampoos, cleansers)
  • Inert as a finished polymer

Known concerns

  • PEG class can carry trace 1,4-dioxane if not purified
  • SMDI monomer hazardous in unreacted form
  • Limited cosmetic-specific dossier

References

EU

EU CosIng database

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

Related thickeners

72
ACRYLATES CROSSPOLYMER-3
Thickener
 72
ACRYLATES CROSSPOLYMER-4
Thickener
 72
ACRYLATES CROSSPOLYMER-5
Thickener
 72
ACRYLATES/STEARETH-20 METHACRYLATE COPOLYMER
Thickener
 72
ACRYLATES/STEARETH-20 METHACRYLATE CROSSPOLYMER
Thickener
 72
ALUMINUM ISOSTEARATES/LAURATES/STEARATES
Thickener
 72
AMMONIUM ACRYLOYLDIMETHYLTAURATE CROSSPOLYMER
Thickener
 72
AMMONIUM ACRYLOYLDIMETHYLTAURATE/STEARETH-25 METHACRYLATE CROSSPOLYMER
Thickener

Check your shelf

Find PEG-150/STEARYL ALCOHOL/SMDI COPOLYMER in your products.

Scan any cosmetic product with LuxSense to see if it contains PEG-150/STEARYL ALCOHOL/SMDI COPOLYMER and get a full ingredient breakdown with safety scores.

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.