Bleached flour is a type of white flour that has been treated with a bleaching agent, usually chlorine gas or benzoyl peroxide. The bleaching process strips away some of the natural nutrients found in flour and also helps to whiten it. Bleached flour is often used in baking, as it produces a lighter and fluffier baked good. It is also known for its improved shelf life, as it is able to retain its freshness for longer than other types of flour. Additionally, bleached flour has a slightly different taste and texture than unbleached flour, and it is often preferred for its finer, more uniform particles. While bleached flour is often used in commercial baking applications, it should be used with caution when making homemade baked goods, as it can alter the flavor profile and texture of the finished product.