Colgate Peroxyl Mouth Sore Rinse helps cleanse and promote healing of minor oral irritations. Peroxyl’s oxygenating action helps removes oral debris to facilitate healing of oral sores, irritations and mouth burns. Peroxyl also soothes minor gum inflammation from dental procedures, dentures and orthodontic appliances. This formula is an alcohol free mouthwash and does not contain ethanol so there's no burn. The great-tasting mint flavor is also a plus to help give you a fresh feel.