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A polyethylene glycol derivative of castor oil with an average of 40 units of ethylene oxide. It functions as a non-ionic surfactant, emulsifier, and solubilizer, helping to blend oil and water ingredients and to solubilize fragrances and essential oils in water-based formulations.
May aggravate
Safety summary
Generally considered safe for cosmetic use. PEGs are low-irritant and low-sensitizing.
CAS Number
61791-12-6
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.