This dry powder cleans, while fighting the kinds of pathogens which commonly cause diseases of the mouth, and bad breath. The mild, but delicious flavor of just the right combination of both spearmint and peppermint makes brushing a pleasure. All food-grade ingredients with no toxic preservatives; no harmful fluoride. No soaps, solvents or abrasives, but yet it is more effective than your average toothpaste. There is no chemical preservative to make it toxic. Powdered milk, myrrh, magnesium citrate, zinc gluconate, spearmint, peppermint, xylitol. Xylitol is dangerous to dogs. Therefore, this product should never be used to clean a dog's teeth.