PEG-4 dilaurate is a polyethylene glycol ester of lauric acid, commonly used as a nonionic surfactant, emulsifier, and solubilizer. It stabilizes oil-in-water emulsions and improves product texture. This compound provides dispersing and cleansing properties, making it suitable for both cosmetic and industrial applications. It is widely used in creams, lotions, shampoos, and cleansing systems.