Sentry Hand Sanitizer contains CHG, which has following properties * CHG is used in hand sanitizers because of its broad spectrum activity against gram positive and gram negative bacteria, yeasts and enveloped viruses * Chlorhexidine inactivates microorganisms with a broader spectrum than other antimicrobials * CHG has a quicker kill rate than other antimicrobials * It has both bacteriostatic (inhibits bacterial growth) and bactericidal (kills bacteria) mechanisms of action