Polyoxyethylene stearate is widely used as an emulsifier and surfactant in various industries. In cosmetics and personal care products, it helps blend oil and water-based ingredients, ensuring smooth textures in creams, lotions, and shampoos. It also acts as a stabilizer, enhancing the shelf life and consistency of these products.

In the pharmaceutical industry, it is utilized in the formulation of ointments, creams, and emulsions, improving drug delivery and absorption. Its emulsifying properties make it suitable for creating stable and uniform medicinal preparations.

In the food industry, it serves as an additive to improve the texture and stability of processed foods, such as baked goods, dairy products, and sauces. It helps maintain homogeneity and prevents separation of ingredients.

Additionally, it is used in industrial applications, such as in the production of lubricants, coatings, and cleaning agents, where its surfactant properties aid in reducing surface tension and improving performance.