Poly(ethylene glycol) dioleate is widely used as an emulsifier and surfactant in various industries. In the cosmetics and personal care sector, it is incorporated into creams, lotions, and hair care products to stabilize formulations and improve texture. It helps blend oil and water-based ingredients, ensuring a smooth and consistent product.

In the pharmaceutical industry, it serves as an excipient in drug delivery systems, enhancing the solubility and absorption of active ingredients. It is also utilized in the production of ointments and topical medications for its moisturizing and stabilizing properties.

In industrial applications, it acts as a lubricant and anti-static agent in metalworking fluids and textile processing. Additionally, it is used in agricultural formulations to improve the dispersion and efficacy of pesticides and herbicides. Its versatility makes it a valuable component in a wide range of products and processes.