Corn oil has a variety of uses, both in cooking and non-cooking applications.It’s used as an industrial cleaner and lubricant, as well as to make fuel for gasoline- and diesel-powered engines. Plus, it’s included in many cosmetic products, liquid soaps, and shampoos.Still, its best known as a frying oil. It has a very high smoke point (the temperature at which oil begins to burn) of about 450°F (232°C), making it ideal for deep-frying foods to perfect crispness without burning them .Corn oil is widely available, making it a popular choice for home cooks. It can be purchased at almost any grocery store and used in many ways.