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Emulsifier

PEG-4 DILAURATE

CAS 9005-02-1 Updated
76

Safety score · 0–100

Fine

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

About

A diester of polyethylene glycol-4 and lauric acid used as a mild emulsifier and solubiliser in skincare. Well tolerated when properly purified, but inherits the standard PEG 1,4-dioxane caveat.

Skin benefits

  • Mild nonionic emulsifier and solubiliser
  • Helps oil and water mix in low-foam systems
  • Compatible with most cosmetic actives

Known concerns

  • PEG ethoxylation can introduce trace 1,4-dioxane and ethylene oxide
  • Mild skin and eye irritation at high levels
  • Some PEG-skeptic consumer concern despite favourable safety reviews

References

EU

EU CosIng database

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

Related emulsifiers

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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.