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PEG ether emulsifier

CETEARETH-16

CAS 68439-49-6
68

Safety score · 0–100

Fine

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

Ceteareth-16 is a polyethylene glycol ether of cetearyl alcohol used as an emulsifier in creams and lotions. CIR considers it safe when 1,4-dioxane impurities are controlled and it is not applied to broken skin.

Function

SURFACTANT - EMULSIFYING, SURFACTANT - CLEANSING

Skin benefits

  • Effective non-ionic emulsifier and surfactant
  • Stabilizes oil-in-water creams and lotions
  • Improves texture and product spreadability
  • Well established in cosmetic formulation

Known concerns

  • May contain residual 1,4-dioxane unless purified
  • CIR recommends against use on damaged skin
  • PEG ethers can increase penetration of other ingredients
  • Possible mild irritation in high concentrations

References

EU

EU CosIng database

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

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CETETH-5
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CETOLETH-22
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CETEARETH-27
PEG ether emulsifier

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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.