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PEG ether emulsifier

CETEARETH-27

CAS 68439-49-6
55

Safety score · 0–100

Moderate

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

A polyethoxylated cetearyl alcohol emulsifier (27 mol ethylene oxide) used to stabilise lotions and creams. Versatile workhorse for oil-in-water emulsion stability across mainstream skincare formulas.

Function

CLEANSING, SURFACTANT - EMULSIFYING, SURFACTANT - CLEANSING

Skin benefits

  • Effective nonionic emulsifier and solubiliser
  • Stabilises oil-in-water emulsions for creams and lotions
  • Widely used in mainstream cosmetic formulation

Known concerns

  • PEG-class material requiring purification to avoid 1,4-dioxane residues
  • Can enhance penetration of other ingredients including potential irritants
  • Not recommended on broken or compromised skin
  • Avoided by consumers seeking PEG-free routines

References

EU

EU CosIng database

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

Related peg ether emulsifiers

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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.