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How does purell kills bacteria?
Can overusing Purell lead to the development of resistant bacteria?
It is unlikely that overusing Purell will lead to the development of resistant bacteria. This is because the active ingredient in Purell, alcohol, works by denaturing proteins and enzymes that are essential to bacterial survival - a process that is difficult for bacteria to adapt to and develop resistance against. However, it is always recommended to use hand sanitizer in moderation and as directed.