I know this to be true, and wash my hands often. My son prefers hand sanitizer and will get annoyed when I ask him to wash his hands, despite me telling him its better than hand sanitizer. He asked me why and honestly, I dont know. Killing 99.9% of germs seems like pretty good odds but its something to do with the scrubbing motion, right?
In: Biology
Not only does washing hands with soap get rid of the dead bacteria but it also cleans your hands of grease and dirt which can prevent hand sanitizer from working, so hand sanitizer is only ideal if hands are unsoiled
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