eli5 How in the world does hand sanitizer dry so quickly?
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Hand sanitizer is made with special ingredients that help to kill germs on your hands. One of these ingredients is alcohol, which is a very good cleaner but it also evaporates quickly. When you put some hand sanitizer on your hands, the alcohol in it starts to evaporate, or turn into a gas. As it evaporates, it takes the water and other ingredients with it, which makes your hands feel dry. This is why hand sanitizer dries so quickly – the alcohol in it is turning into a gas and taking the water and other ingredients with it. This helps to kill germs on your hands and keep them clean.
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