Beaphar Mouth Wash 250ml Beaphar Mouth Wash is added to dog's drinking water to counteract bad breath. Bacteria and food particles cause plaque to form on teeth, causing tooth and gum decay, leading to bad breath. Beaphar Mouth Wash contains enzymes that fight bad bacteria and reduce the formation of plaque. This easy to use product complements dogâ€s regular dental care regime. As pets drinks periodically throughout the day, he/she will benefit from this method of oral hygiene all day long. Also suitable for puppies and kittens from 6 months of age.