Corsodyl Mouthwash Original 300ml Corsodyl treatment mouthwashes are antibacterial solutions containing chlorhexidine digluconate (0.2% w/v). Chlorhexidine digluconate is dual action, as it is an antibacterial ingredient that attacks & helps to kill the plaque bacteria that can cause your gum irritation & it creates a protective layer over your teeth & gums for up to 12 hours, thus helping to prevent any new plaque forming.A convenient & easy to use mouthwash it is also particularly useful when more than one area in the mouth needs attention. As well as being used to treat & prevent gum disease, Corsodyl is used for mouth ulcers, sore mouth from dentures, oral thrush, to promote gum healing after dental surgery or treatment & to maintain mouth hygiene.