Multani Mitti, Fullers Earth, or Bentonite Clay, quite simply muds on your face or in your hair. Multani Mitti is also known as Indian Healing Clay because of its beneficial properties to skin and hair. Natural clay is one of the most essential and popular Indian beauty product ingredients in facial and hair treatments because it removes toxins and impurities from the skin and scalp without stripping the natural oils. It is effective against pimple breakouts.