why does hand sanitizer kill bacteria but not skin cells?

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What causes skin cells and such to react to it differently than a single cell organism and other various microbes? And please don’t just express that its antibacterial, I would like to know why its antibacterial, and why other cells dont react in a similar way. Thank you for your time dudes/dudettes

In: Biology

2 Answers

Anonymous 0 Comments

Skin is made of several layers. The top several layers of skin cells are dead. You cant kill that which is already dead.

Hand sanitizer is mostly alcohol. It works by breaking down the lipids of the cell membrane. It also does this to skin cells, if it can reach the living cells and even if it does you still have layers of unaffected cells below that.

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