It provides a very thick layer of base over your face hence it hides all your skin problems like freckles ,blemishes ,dark spots etc. 

Foundations can be light, sheer, powders, and all sorts of formulations. Overall, it feels lighter and sometimes so light that it it feels like nothing it there. In contrast, pan-cake is thick, heavy, and looks obvious on the skin. Cake Make-up is primarily designed to be applied to the face but also great for applications to the neck and body.