Oleyl phosphate is widely used in the cosmetics and personal care industry as an emulsifier and surfactant. It helps stabilize formulations by blending oil and water-based ingredients, making it a key component in creams, lotions, and hair care products. Its conditioning properties also make it effective in hair treatments, providing softness and manageability. Additionally, it is utilized in industrial applications as a lubricant additive, enhancing the performance of metalworking fluids and reducing friction. Its ability to form protective films on surfaces makes it valuable in corrosion inhibition and surface treatment processes.