Thickener
PEG-9M
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A high-molecular-weight polyethylene glycol used as a thickener and film former. Very large polymer, low absorption; the main concern is residual ethylene oxide impurities, controlled by purification.
Skin benefits
- Thickener and film former
- Non-irritating, non-ionic polymer
- Improves slip and texture
Known concerns
- Possible 1,4-dioxane traces in raw material
- Limited dermal data for very high MW grades
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related thickeners
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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.