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Emulsifier

POLYSORBATE 21

CAS 9005-64-5 Updated
70

Safety score · 0–100

Fine

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

About

A mild non-ionic emulsifier from sorbitol and lauric acid with low ethoxylation. Helps mix oil and water. Generally well tolerated; trace 1,4-dioxane is the main caveat for ethoxylated grades.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Mild non-ionic emulsifier and solubilizer
  • Compatible with skin
  • Helps disperse oils and fragrance

Known concerns

  • Possible 1,4-dioxane trace contamination from ethoxylation
  • Mild eye irritation potential
  • Stripping 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 — always read the physical product label and consult a healthcare professional for personal concerns.