what are the chemical and physical changes of hand sanitizer
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Alcohol-based versions typically contain some combination of isopropyl alcohol, ethanol (ethyl alcohol), or n-propanol, with versions containing 60% to 95% alcohol the most effective. Care should be taken as they are flammable. Alcohol-based hand sanitizer works against a wide variety of microorganisms but not spores.
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The most common sanitizer brands have alcohol as their active ingredient. The alcohol may be ethanol, isopropanol or a mix of the two compounds.
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