The epidermis is the outer layer of skin that you can actually see and touch. They are consists of dead cells and always flaking. Healthy skin the circulates in a 28 days.These are replaced by new cells manufactured in the lower portion of the epidermis, which move upward to the outside of the skin. The epidermis is also home to cells that produce melanin, which is the substance that gives skin its color. Therefore,remove dead skin moderately is very important, moreover, peel the dead skin off also can improve the texture, promote the blood circulation and metabolism of the skin, make the cell regeneration more smooth, and the skin presents a fresh and soft state.