Eyeshadow extrusion form is the most widely used form of this category of products in recent times, binders (Binders) and other raw ingredients (Raw Ingredient) main function is to ensure the stability of the product, preventing the crumbling (Crumbling) or flaking (Flaking) during transport and use causing powder spillage, using piercing tests to assess the hardness (Hardness) or cake strength (Cake Strength) of such products.