Nolvadent Oral Cleansing Solution is used to assist in the dialy maintenance of a healthy and pleasant smelling mouth in dogs and cats through the removal of food particles and other debris from the teeth and gumline. Instructions: Apply Nolvadent either as an oral rinse or with a toothbrush. 0.1% Chlorhexidine Acetate formulated with special surfactant, peppermint flavored base. FD&C Red 40 & Red 33; 6% Ethly Alcohol by Volume. For external use only as oral rinse.