I use baking soda instead of toothpaste and add a little water. Would it be okay to mix the baking soda with my (leftover) mouthwash, just making it moist, and calling it "toothpaste"?
Making your own toothpaste is both easy and cheap.
Using Toothpaste to Clean Silver
Cleaning with Toothpaste
Saving Money on Toothpaste
Homemade Hair Dye Recipes
Homemade Tooth Powder
