For the temporary relief of pain associated with: canker sores; cold sores; fever blisters; minor irritation or injury of the mouth and gums. To help protect against infection in minor oral irritation. #1 pharmacist recommended brand for adult oral pain. Cheek bites and irritation from dentures or braces.Active Ingredients: Benzalkonium Chloride 0.02%; Benzocaine 20%; Zinc Chloride 0.1%