A new study finds that foam hand sanitizers inactivate enveloped viruses effectively within 10 seconds—but may provide ...

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Hand sanitiser is a gel or foam that kills germs and infectious bacteria. It is used as an alternative to hand-washing, and comes in two main varieties, those that are alcohol-based and those ...

According to the Centers for Disease Control and Prevention, alcohol-based hand sanitizers can help reduce germs in some situations, but soap and water are more effective at removing many others.

Hand sanitizer expires because its alcohol content dissolves over time — once it drops below 60% alcohol, it won't be as effective at killing germs. However, expired hand sanitizer may still ...