How To Make Dog Toothpaste Without Glycerin. Not all manufacturers list it on the ingredients label so you may need to smell it to determine if alcohol is in the solution. In a container, mix six teaspoons of baking soda, 1/3 teaspoon of salt and four teaspoons of glycerin.

Combining baking soda and water is a good basic recipe for homemade dog toothpaste. Melting the coconut oil first will help the rest of the ingredients mix into it more. In a container, mix six teaspoons of baking soda, 1/3 teaspoon of salt and four teaspoons of glycerin.