Solubilizer
PEG-40 METHYL ETHER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A methoxy-PEG-40 polymer used as a non-ionic solubilizer and viscosity modifier. Well tolerated at cosmetic levels; main lever is purified-grade with low 1,4-dioxane residue.
Function
Skin benefits
- Solubilizes oils and fragrance in water
- Reduces formulation viscosity
- Improves clarity of cosmetic systems
Known concerns
- PEG-class 1,4-dioxane residue if not purified
- Ethoxylated chemistry — environmental persistence watch
- Limited dedicated cosmetic dossier
References
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.