Other
PEG-3 SORBITAN TRISTEARATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A triester of sorbitan and stearic acid with 3 mol EO, used as a W/O emulsifier to stabilise rich, lipid-phase-heavy cosmetic emulsions.
PEG-3 Sorbitan Tristearate is a polysorbate-class emulsifier with a tri-stearate fatty acid profile, making it particularly suitable for water-in-oil emulsions. It is not restricted under EU cosmetics law. The tri-stearate structure confers higher lipophilicity, reducing the proportion of free PEG relative to more ethoxylated analogues. The ingredient is considered safe in cosmetic use, with no identified EU-specific concerns beyond the standard 1,4-dioxane impurity watchpoint.
Skin benefits
- Stabilises W/O emulsions for rich, nourishing textures
- Provides emollient feel in finished products
Known concerns
- Potential trace 1,4-dioxane from ethoxylation (EU-regulated impurity)
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related others
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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.