Thickener
PEG-20M
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A very high molecular weight polyethylene glycol used as a thickener, binder, and film former. Too large to penetrate skin, which is good for safety though ethoxylation purity is the main consideration.
Skin benefits
- Thickens and stabilizes formulations
- Film-forming for smooth feel
- Water-soluble and non-greasy
- Too large to penetrate skin
Known concerns
- Potential trace 1,4-dioxane or ethylene oxide from ethoxylation
- Quality varies by manufacturing purity
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related thickeners
Check your shelf
Find PEG-20M in your products.
Scan any cosmetic product with LuxSense to see if it contains PEG-20M and get a full ingredient breakdown with safety scores.
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.