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A polyethylene glycol ester of stearic acid, commonly used as an emulsifier, surfactant, and thickening agent in cosmetic formulations. It helps to stabilize emulsions and increase the viscosity of products.
Beneficial for
May aggravate
Safety summary
Generally considered safe for cosmetic use. PEGs can sometimes be associated with irritation on broken skin, but this is rare for intact skin.
CAS Number
9004-99-3
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.