nonionic emulsifier
ISOSTEARETH-16
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Isosteareth-16 is a polyethoxylated isostearyl alcohol used as a nonionic emulsifier in creams and lotions, considered functionally safe but with the typical PEG-purity caveats around 1,4-dioxane traces.
Function
Skin benefits
- Effective nonionic emulsifier that stabilizes oil-in-water creams
- Improves spreadability and texture of lotions and serums
- Compatible with a wide range of cosmetic actives
Known concerns
- PEG ethoxylates may carry trace 1,4-dioxane impurities if not purified
- Limited published toxicology specific to isostearyl ethoxylate-16
- Can mildly disrupt skin barrier at high concentrations
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related nonionic emulsifiers
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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.