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INCI: PEG-18
A synthetic polymer of ethylene oxide, PEG-18 functions as a humectant, solvent, and emulsifier in cosmetic formulations, helping to attract and retain moisture.
Beneficial for
May aggravate
Safety summary
Generally considered safe for cosmetic use. High molecular weight PEGs are less likely to penetrate the skin.
CAS Number
25322-68-3
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.