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INCI: PEG-4
A low molecular weight polyethylene glycol that acts as a humectant, solvent, and carrier, helping to hydrate the skin and dissolve other ingredients.
Beneficial for
Safety summary
Generally considered safe and well-tolerated. Low molecular weight PEGs are widely used in cosmetics.
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.