Parodont Active Contains Chlorhexidine 0.5% Mouthwash is a mouthwash containing the active ingredient chlorhexidine 0.5%. Chlorhexidine is an antiseptic agent commonly used in mouthwashes and rinses to help reduce the number of bacteria in the mouth. It is often used to prevent or treat gum disease, gingivitis, and other oral infections. Active mouthwash with chlorhexidine 0.5% can also be helpful in freshening breath and promoting overall oral hygiene when used as part of a regular oral care routine.