What you need
1 1/4 cups of Baking soda or Bicarbonate of Soda
1/2 cup of Citric acid
2 tsp of Almond Oil or Apricot kernel oil
1/2 tbs of Water
1/8 cup of Milk powder
1/4 tsp of Cinnamon, cardamom & clove powdered spices
10-15 drops of Vanilla fragrance oil. Full recipe and tutorial can be found here.