Humectant
PEG-3 METHYL ETHER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A short PEG with a methyl cap — a small, water-loving solvent that dissolves ingredients and adds humectancy. Smaller than PEG-7 means more penetration, which is the main reason for yellow rather than green.
Function
Skin benefits
- Humectant and solubilizer
- Improves spreadability
- Mild on skin
Known concerns
- Very small PEG — higher penetration than larger PEGs
- PEG class dioxane caveat applies
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related humectants
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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.