There are already three pages of replys, but as a chronic bulimic, I can attest to the fact that baking soda is really a miracle. So simple. My teeth arent yellow or eroding yet, and I've been sick for a few years. I like to mix a bit of peppermint essential oil into the mix as well, and then let the moisture evaporate as much as possible before use. Good luck! Commercial toothpaste is poison! =^.^=