Hand sanitizer - Wikipedia
Hand sanitizer is a liquid, gel, or foam generally used to decrease infectious agents on the hands. [3] [4] In most settings, hand washing with soap and water is generally preferred. [5] [6] [7] Hand sanitizer is less effective at killing certain kinds of germs, such as norovirus and Clostridium difficile and unlike soap and water, it cannot remove harmful chemicals. [5]
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