TropiClean Fresh Breath Drops keep your dog s mouth healthy and their breath fresh. Made with naturally derived ingredients, TropiClean Fresh Breath Drops help turn bad dog breath into fresh breath while providing essential daily oral care. Add just two drops to 8 ounces of water, twice a day, to give your dog fresh breath, a healthy mouth, and clean teeth. Drops also help defend against plaque and tartar, the main cause of bad breath.