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Nonionic emulsifier (PEG ether)

CETEARETH-34

CAS 68439-49-6
64

Safety score · 0–100

Fine

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

A polyethylene glycol ether of cetearyl alcohol used as a nonionic emulsifier to stabilize creams and lotions. Functionally reliable, with trace PEG-related impurities and penetration enhancement as the main concerns.

Function

CLEANSING, SURFACTANT - EMULSIFYING, SURFACTANT - CLEANSING

Skin benefits

  • Nonionic ethoxylated fatty alcohol emulsifier
  • Provides stable oil-in-water emulsions
  • Improves texture and spreadability of creams and lotions
  • Compatible with a wide range of actives

Known concerns

  • PEG/ethoxylated ingredient may carry trace ethylene oxide and 1,4-dioxane impurities
  • Quality dependent on supplier purification
  • Can enhance penetration of other ingredients, including irritants
  • Not recommended for use on broken or compromised skin

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, so always read the physical product label and consult a healthcare professional for personal concerns.