If you use an alcohol-based product instead of soap and water, make sure it contains at least sixty percent alcohol.
VOA: special.2010.09.29
The study used an older formula replaced last year with Purell Advanced, an alcohol-based product the company says is more effective at killing bacteria and even easier on the skin.
Jesse Cozean, vice president of research and development at Innovative BioDefense, says it is true the company's test doesn't translate directly to real-life benefits but it does show the product is more likely to provide lasting protection than alcohol-based sanitizers.