WONDER #1230: Does Hand Sanitizer Really Work?
Question 1 of 3
Many hand sanitizers claim that they can kill what percentage of germs?
Question 2 of 3
The primary active ingredient in most hand sanitizers is a type of what?
Question 3 of 3
If you are shopping for an alcohol-based hand sanitizer, it would be best to choose one with at least what concentration of alcohol?
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