PEG-100 Stearate Good Cleansing Agent No known benefits PEG-100 Stearate at a glance Multitasking ingredient that can be used as an emulsifier/cleansing agent in cosmetic formulas May also be utilised to deliver a soft, moisturised feel to skin, thanks to its emollient properties In cleansing solutions, it helps contribute to the foamability of the formula Deemed safe by the Cosmetic Ingredient Review Expert Panel PEG-100 Stearate description PEG-100 stearate is a multitasking, common ingredient that can be used as an emulsifier/cleansing agent in cosmetic formulas. Its emollient properties may also be utilised to deliver a soft, moisturised feel to skin. In cleansing solutions, it helps contribute to the foamability of the formula. In general, PEG-100 stearate is used to control and enhance the texture of various types of beauty products including body lotions and facial cleansers, as well as hair care products and makeup items. Suppliers of this ingredient describe it as a soft to waxy solid that is white to tan in colour. PEG-100 stearate passed the safety assessment conducted by the Cosmetic Ingredient Review Expert Panel. Their most recent (2005) report surveyed products using between 0.01–25%.