Usage as Shampoo: Soap Nut Powder has to be made into a paste with warm water and applied to hair. Leave on for a few minutes and rinse off thoroughly.Soap Nut Powder is a natural, bio-degradable cleaning agent. It has an amazing property to remove residual pesticides from fruits and vegetables. For 1Ltr of water add 2 to three tea spoons of soap nut powder and let it dissolve for a few minutes. Now soak the vegetable or fruits for 10 minutes in this liquid. After 10 minutes rinse away the soap nut liquid from fruits and vegetables. Enjoy these pesticide free Fruits and Vegetables.