Corsodyl Dental Gel has an active ingredient, chlorhexidine digluconate, which is an antibacterial agent that reduces the formation of dental plaque and is used to treat and prevent gum disease. Gums may bleed when brushed. It also helps maintain mouth hygiene, control recurring mouth ulcers, manage denture sore mouth, and manage recurring oral thrush. Additionally, it can help prevent cavities for those at high risk of tooth decay.