How To Use Multani Mitti Power For Hair In Effective Manners Multani mitti, often known as Fuller's earth, is without a doubt one of the most effective cosmetic compounds ever. Did you know that utilising multani mitti for your hair offers endless benefits in addition to being an amazing saviour for most of your skin needs? Using it will give your hair a new lease of life by nourishing dry or damaged hair and reducing scalp irritation.