Colgate Total 12HR Pro-Shield Mouthwash doesn t just freshen breath it provides 12-hour protection against germs even after eating and drinking helping to keep your mouth healthy and fresh. It kills 99% of germs on contact significantly reduces plaque and helps prevent the gum disease gingivitis. Colgate Total 12HR Pro-Shield Mouthwash is an alcohol-free mouthwash (does not contain ethanol) and has a refreshing Peppermint Blast flavor.