Chlorhexidine Products | Cleanchem - Chlorhexidine is an antiseptic and antimicrobial agent used for skin disinfection, wound care, and as a mouthwash for gingivitis. It works by disrupting bacterial cell membranes, leading to bacterial death. Chlorhexidine is commonly used in surgical settings for preoperative skin preparation and for the prevention of oral infections. Side effects may include skin irritation, staining of teeth, and allergic reactions.