2. Different production methods: the ash powder is made by grinding wheat grains into powder, then mixing it with seasonings such as sugar and water to form paste, and then heating it at high temperature; Flour refers to flour ground from wheat and then finely processed.
3, the appearance is different: the gray surface refers to the powder ground by wheat grains, the color is generally white or light yellow, and there is no impurity; Flour generally refers to the powder ground from barley seeds, which is white or light yellow in color and contains certain impurities.
4, the use method is different: the gray surface can generally be used as a mask, which can replenish water and moisturize, relieve dry skin and make the skin more elastic; Flour can be made into pasta, such as steamed buns and steamed bread, and can be eaten as a staple food.