Nxtgen Ayurveda Multani Mitti or Fullers earth has quite a number of benefits and uses for various skin types. The most popular use for skin is as a face pack or mask. Face packs are available for dry, oily, acne-prone, and normal skin types. Other than face masks, it is also used as a body wash or a paste for the whole body. Multani mitti is good for your scalp and hair too.