Chlorhexidine is a chemical antiseptic. It is effective on both Gram-positive and Gram-negative bacteria, although it is less effective with some Gram-negative bacteria.[2 ]Chlorhexidine is present in oral rinses and skin cleansers, and in small quantities it is used as a preservative. In the UK it is mainly marketed under the brand name Corsodyl.
Contributions by CheMoBot, Headbomb, and Anypodetos.