PEG emulsifier
PEG-4 DIOLEATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A polyethylene glycol ester of oleic acid used as an emulsifier and emollient in lotions and creams. It is considered safe by industry review panels when purification standards are properly met.
Skin benefits
- Non-ionic emulsifier and emollient
- Improves spreadability and texture in creams and lotions
- Compatible with a wide range of cosmetic actives
- CIR has assessed PEG fatty acid esters as safe for use as cosmetic ingredients
Known concerns
- Possible 1,4-dioxane or ethylene oxide residues if not properly purified
- May enhance penetration of other ingredients into compromised skin
- Not suitable for use on broken or severely damaged skin
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related peg 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.