Global Mouthwash Market Assessment, By Product [Therapeutic, Cosmetic], By Alcohol Content [Alcohol-based Mouthwash, Alcohol-free Mouthwash], By Type [Over-the-Counter, Prescription-based], By Category [Herbal/Ayurvedic, Conventional], By Flavor [Flavored, Unflavored], By Age [Adults, Children], By End-user [Residential, Commercial], By Price Range [Mass, Premium], By Distribution Channel [Offline, Online], By Region, Opportunities and Forecast, 2017-2031F