One of the issues that I grapple with regarding commercially available products, is whether it is factual and scientifically sound. More specifically, in the days of post-coronavirus (COVID-19 or SARS-CoV-2) infection, do hand sanitizers really work? More importantly, if plagued with the possibility of a shortage (um, hi!), how do we protect ourselves from the infection? This is our new normal and these are important questions that we are currently facing, unfortunately. Here is our guide to the science behind hand sanitizers.