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Emulsifier

CETEARETH-5

CAS 68439-49-6
58

Safety score · 0–100

Moderate

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

A short-chain ethoxylated cetearyl alcohol used as an emulsifier. More irritating than higher Ceteareth grades; PEG part needs dioxane purification.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Effective non-ionic emulsifier
  • Stable in O/W systems
  • Inexpensive workhorse
  • Compatible with anionic systems

Known concerns

  • Low-EO ethoxylate — higher irritation than Ceteareth-20+
  • PEG ethoxylation — dioxane purification needed
  • Penetration enhancer effect

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.