Today's infection control practitioners (ICPs) bear a problem other than the one that faced Ignaz Semmelweis: not only do they attempt to get hospital personnel to wash their hands, they are bombarded by the choices of which soap to use. What type of soap is best? Towelette? Powder? Bar? Foam? Waterless? Lotion? Liquid? Should the agent be scented or unscented, medicated or nonmedicated, antimicrobial or antiseptic? Is a residual bacteriostatic effect more desirable than a fast-acting bactericidal effect? Can a ten-second cleansing yield a better handwash than a ten-minute scrub?