ANSWERS: 4
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because itching isn't caused just by bacteria.
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Bacteria may have irritated your skin, but killing the bacteria now will not stop the itch. The skin must now heal itself.
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Itching can be caused by the release of histamines irritating nerve endings. So covering an itch with what is basically an alcohol gel won't cure the itch. An antihistamine like Benadryl will eliminate many kinds of itches.
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Probably because dryness aggravates itching and those hand sanitizer gels are pretty much loaded with alcohol.
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