When added to your dog's water, the veterinarian-recommended Advanced Oral Care Liquid Tartar Remover freshens your dog's breath and alters the pH of his saliva to help reduce plaque and tartar buildup. It's also formulated with Denta-C, a blend of ingredients scientifically formulated to reduce plaque that harbors bacteria. Freshens breath Reduces plaque Simple to use - just add to your dog's water