As we all know by now, the novel coronavirus, or COVID-19, has become a global pandemic. Entire cities, states, and even countries are shutting down in an effort to curb the spread. Yet not everyone can stay home. Whether your office is still open, or you work in an essential industry such as a grocery store or a hospital, you know that frequent hand washing or sanitizing is essential. We all know the basics of washing our hands (be sure to wash for a full 20 seconds!), but what exactly is hand sanitizer and how can it help protect you against catching COVID-19?