How do hand sanitizers kill germs? -

How do hand sanitizers kill germs?


Today’s Video of the Day comes from the American Chemical Society’s Earth from Space series and features a look at how hand sanitizers kill germs.

The active ingredient in most hand sanitizers is alcohol, either in the form of ethanol, isopropanol, or n-propanol. The alcohol breaks down the outer coating of bacteria and viruses, which causes the germs to explode.

This inhibits their ability to infect humans, rendering the germs useless.

By Rory Arnold, Staff Writer

Video Credit: American Chemical Society

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