Our nylabone advanced oral care liquid tartar remover for dogs is made with denta-c which is scientifically proven to reduce plaque that harbors bacteria. Preventive dental care reduces the risk of developing periodontal disease, which can lead to serious health issues for your dog. This easy-to-use formula alters the ph level of your dog's saliva to control tartar production and curtail offensive mouth odors. Regular use is necessary to provide optimum results. Just add regularly to your dog's drinking water and it will also help clean teeth and freshen breath.