There are many benefits of using a dog mouthwash. One of the best is it can help fight against plaque. Most human mouthwashes are alcohol-based, which should not be used on your pet, whereas a dog mouthwash containing natural enzymes is safe and effective to use.
A good quality product for dogs includes a mix of enzymes and peroxide; this combination will specifically help fight against plaque. You should never use human mouthwash on dogs.