CHG Chlorhexidine | Hand Washing | Antimicrobial Resistance
Chlorhexidine. Chlorhexidine is a cationic biguanide (485) and was first established as an antimicrobial agent in 1954 (104). It exists as acetate (diacetate), gluconate, and hydrochloride salts (485). Chlorhexidine gluconate is commonly used either at 0.5 to 0.75% in aqueous solution or in some detergent preparations or at 2 to 4% in other detergent preparations (327, 328).