Learn why hand-sanitizer gels lose effectiveness over time, plus tips to keep hand sanitizer at full germ-killing strength for as long as possible.

No one turns their head when you pull hand sanitizer out of your bag. Historically,the mundane household item doesn’t draw all that much excitement. Unless, of course, you pull out a Touchland hand ...

The total alcohol in your hand sanitizer should be around 75%. You need 60% alcohol or more to effectively kill germs. A special instrument called an alcoholmeter can test levels if you’re unsure.

As the norovirus outbreak continues to spread in the U.S., you can't rely on hand sanitizer alone to protect you. Norovirus, also sometimes called the "winter vomiting disease," causes ...