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Emulsifier

SORBITAN TRIISOSTEARATE

CAS 54392-27-7
82

Safety score · 0–100

Good

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

Sorbitan ester of isostearic acid used as a water-in-oil emulsifier in creams, sunscreens and color cosmetics. Recognised as safe by CIR with very low irritation potential.

Skin benefits

  • Effective W/O emulsifier and pigment dispersant
  • Non-irritating to skin and eyes
  • Stable, well tolerated
  • Allows water-resistant formulations

Known concerns

  • Possible mild comedogenicity in acne-prone skin
  • Trace ethylene oxide impurities theoretically possible in some 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, so always read the physical product label and consult a healthcare professional for personal concerns.