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Emulsifier / surfactant (PEG-fatty acid ester)

PEG-25 STEARATE

CAS 9004-99-3
74

Safety score · 0–100

Fine

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

PEG-25 stearate is a non-ionic PEG-fatty-acid emulsifier widely used to stabilise creams and lotions. It is generally well tolerated, with safety contingent on standard control of ethoxylation impurities.

Skin benefits

  • Effective non-ionic emulsifier for creams and lotions
  • Improves spreadability and texture of formulas
  • Low irritation potential at typical use levels
  • Long track record of safe cosmetic use

Known concerns

  • Ethoxylated material with potential 1,4-dioxane trace impurities
  • May enhance penetration of other ingredients on damaged skin
  • Quality dependent on supplier purification
  • PEG environmental persistence considerations

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.