Just likes trees shed their leaves to grow new ones, skin too sheds the dead skin. This process of the skin to slough off the dead skin to grow new skin, is known as exfoliation. Exfoliation is a natural process. Thus our body, regularly exfoliates skin naturally. The smoothness, suppleness, radiance, and lightness of our skin is maintained by natural skin exfoliation. It is mandatory to exfoliate skin at least twice a week to accelerate the natural exfoliation. Regular exfoliation will take away the years off your skin.