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Emulsifier

STEARETH-1

65

Safety score · 0–100

Fine

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

A steareth with only 1 ethylene oxide unit — heavily lipophilic, used as a co-emulsifier for thick creams. Generally safe but the low EO count makes it more occlusive than higher-EO steareths.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Oil-water emulsification
  • Thick-cream texture
  • Skin conditioning

Known concerns

  • Lipophilic — slightly occlusive
  • Trace 1,4-dioxane risk
  • Mild irritation potential at high %

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.