Steffini Stalos, DO, FCAP, is a pathology and lab medicine physician. She is also the chief medical officer of the lab consultancy firm Blood Associates, LLC. Hand sanitizer expires after about 2.5 ...

Ethanol, or ethyl alcohol, is a clear, colorless alcohol that is an ingredient in many hand sanitizers. It is effective at killing a range of bacteria and viruses. In this article, we look at why hand ...

Alcohol-based hand sanitizers should contain at least 60% ethyl alcohol or isopropyl alcohol. These alcohols work to kill bacteria and viruses. This information comes from the Centers for Disease ...