homemade toothpaste! Here's a cheap and much better alternative to commercial toothpaste. Supplies: -5 Tbs baking soda -4 Tbs coconut oil -About 10 drops of essential oil. (she used peppermint) -Container (Make sure it has a lid. Baking soda will absorb smells if left to open air.) -*You can also add a bit of stevia or other natural sweetener if you're used to a sweeter toothpaste.