Corsodyl Alcohol Free Mouthwash is used for bleeding gums, irritated gums, mouth ulcers & treats gum problems. The active ingredient is Chlorhexidine digluconae which is an antibacterial agent that reduces the formation of dental plaque & is used to: Treat & prevent gum disease (where gums may bleed when brushed) Promote gum healing after dental surgery of treatment Control mouth ulcers Maintain mouth hygine Manage oral thrush & denture sore mouth