Skip to content

Emulsifier

PEG-90 DIISOSTEARATE

66

Safety score · 0–100

Fine

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

A high-PEG fatty ester emulsifier used to soften surfactant systems. Generally mild; like other PEG ingredients, the grade matters because of trace dioxane.

Skin benefits

  • Mild non-ionic emulsifier
  • Co-emulsifier for stable creams
  • Reduces surfactant harshness in cleansers

Known concerns

  • High-PEG ethoxylate — possible 1,4-dioxane traces
  • Requires purified grade
  • Limited dedicated dossier

References

EU

EU CosIng database

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

Related emulsifiers

66
CETEARETH-22
Emulsifier
 66
DECETH-4 PHOSPHATE
Emulsifier
 66
PEG-12 LANOLATE
Emulsifier
 66
PEG-32 OLEATE
Emulsifier
 66
PEG-50 GLYCERYL ISOSTEARATE
Emulsifier
 66
PEG-66 TRIHYDROXYSTEARIN
Emulsifier
 66
SODIUM STEARETH-4 PHOSPHATE
Emulsifier
 66
SORBETH-230 TETRAOLEATE
Emulsifier

Check your shelf

Find PEG-90 DIISOSTEARATE in your products.

Scan any cosmetic product with LuxSense to see if it contains PEG-90 DIISOSTEARATE 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.