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Emulsifier

PEG-30 STEARATE

CAS 9004-99-3 Updated
68

Safety score · 0–100

Fine

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

About

PEG-30 stearate — a stearic acid PEG ester used as a mainstream emulsifier in creams. Effective and mild, but cosmetic grade should be purified to control 1,4-dioxane traces.

Skin benefits

  • Effective emulsifier
  • Stabilizes oil-in-water creams
  • Mild on skin
  • Texture enhancer

Known concerns

  • PEG manufacturing trace 1,4-dioxane risk
  • Penetration enhancer
  • Use purified cosmetic grades

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