The baking soda active ingredient is the same as the baking powder ... If the recipe already contains an acid — like those included in the list above — then you should simply substitute ...
For a full list of ingredients, check out the recipe card below ... In a large mixing bowl, whisk together the all-purpose ...
They’ll usually also include ingredients like baking soda, arrowroot, cornstarch and vegetable-derived glycerin to help absorb some moisture, according to the dermatologists I consulted.