Sunflower oil is a type of vegetable oil which is expressed from oil-type sunflower seeds. This oil can be used in cooking and cosmetics, and it is especially popular with people who are concerned about the health impacts of oil, because it is a relatively healthy form of vegetable oil. Many stores sell sunflower oil, with several types on the market to choose from, and it is also possible to order specific varieties of sunflower oil from manufacturers. People who want to use sunflower oil in cooking should take care to purchase food grade sunflower oil.