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Emulsifier

STEARETH-27

CAS 9005-00-9 (Generic)
65

Safety score · 0–100

Fine

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

An ethoxylated stearyl alcohol surfactant used to emulsify oil-in-water creams and lotions. Generally well tolerated on skin, with standard caution warranted around 1,4-dioxane impurity manufacturing control.

Skin benefits

  • Nonionic surfactant and emulsifier from the steareth family
  • Stabilizes oil-in-water emulsions in creams and lotions
  • Improves spreadability and smooth skin feel
  • Compatible with a wide range of cosmetic actives

Known concerns

  • Ethoxylated structure carries trace 1,4-dioxane impurity risk if poorly purified
  • Limited individual SCCS opinion; relies on steareth class data
  • Mild eye irritation at high concentrations

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.