Adapted from “Bubble Baths and Bath Fizzies | Healthy and Green Living.” 19 Oct 2008 <http://www.care2.com/greenliving/10062.html>.
4 parts baking soda
4 parts cream of tartar
1 part corn starch
1 part botanical or fruit powder ( suggestions: seaweed, mango, strawberry, cucumber… search for freeze dried fruit powders and their benefits)
measured by volume. Mix, store, and add to bath water as required. Add colouring and fragrance or essential oils as desired.