oxyfresh pro formula fresh mint mouthwash – patented zinc mouthwash for fresh breath & healthy gums | dye, fluoride & alcohol free mouthwash (1- 16 oz bottle) oxyfresh our innovative pro formula mouthwash delivers that protection. we don't use harsh alcohol, dyes, artificial sweeteners or highly abrasive ingredients that can stain or harm dental cosmetic work. it is powered by our unique, patented combination of oxygene and zinc to completely eliminate bad breath. yet it’s incredibly gentle with a natural, light essential peppermint oil that soothes and conditions your delicate smile and gum tissue. plus, it’s naturally sweetened with xylitol, which has been shown to fight the formation of plaque and cavities.