Vet's Best Breath Freshener Mouthwash (500ml) is a practical way to help keep your dog's breath fresh. It is well known that 80% of dogs begin to show signs of oral disease by the age of three, so simply adding Vet’s Best Oral Cleanser to your dog’s drinking water can help promote oral health and freshen breath. Specially formulated with peppermint and clove oils to combat the sources of bad breath that form in the mouth. A liquid pet water additive specially formulated with peppermint, geranium, and clove oils to help eliminate bad breath.