Canker-X Rincinol Mouth Sore Rinse is a game-changer when it comes to oral pain relief. This mouthwash is benzocaine free and alcohol-free, and heals without the numbing and burning sensation. The unique formula contains aloe vera, sodium hyaluronate, and Polyvinylpyrrolidone (PVP), which work together to provide fast pain relief and promote healin..