MAXI/GUARD Dental Cleansing Spray combines the powers of Zinc and Vitamin C to promote oral hygiene and defend against periodontal disease. Use daily to help fight plaque and tartar, heal gum tissue and eliminate bad breath. Trusted and used by veterinarians around the world, MaxiGuard Dental Cleansing Spray provides effective daily dental care without the challenge of brushing your pet's teeth. This formula is safe enough for daily use or post-oral surgery and powerful enough for severe dental problems.