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Emulsifier

SORBITAN SESQUISTEARATE

CAS 51938-44-4 Updated
82

Safety score · 0–100

Good

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

About

A sorbitan-stearate emulsifier used for stable creams and lotions. CIR-reviewed sorbitan-ester family with a strong cosmetic safety record.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • Mild non-ionic emulsifier
  • Skin conditioning and softening
  • Stabilizes oil-in-water emulsions
  • Plant-derivable raw material

Known concerns

  • Possible mild irritation in highly sensitive users
  • Use level matters in leave-on products
  • Limited specific clinical data

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.