INCI · surfactant · CIR review pending · used in 3 products
PEG-40 Hydrogenated Castor Oil
PEG-40 Hydrogenated Castor Oil is a mildly viscous, amber-colored liquid with a fatty odor, produced by ethoxylating hydrogenated castor oil (Ricinus communis) with polyethylene glycol (PEG) at an average molar ratio of 40 mol ethylene oxide. Its CAS number is 61788-85-0. It functions primarily as an emulsifier and surfactant in cosmetic formulations. It is most commonly used to solubilize fragrances into water-based formulas.
Evidence level
moderateEWG score
—Comedogenic
—Category
surfactant● Benefits
Primarily serves as an emulsifier and surfactant, helping to blend oil and water phases in formulations. Its most notable practical use is solubilizing fragrances and other oil-soluble ingredients into water-based products.
emulsifyingsolubilizing
● Cautions
