Which type of alcohol is commonly found in hand sanitizers?

Isopropyl alcohol, also known as isopropanol or rubbing alcohol, is the type of alcohol that is commonly found in hand sanitizers. Its effectiveness in killing bacteria and viruses makes it a preferred choice for disinfectants and sanitizers. Typically formulated with a concentration of around 60% to 95%, isopropyl alcohol can inactivate various pathogens upon contact.

In hand sanitizers, isopropyl alcohol works by denaturing proteins and dissolving lipids, effectively disrupting the microbial cell membranes. This mechanism is particularly useful in healthcare settings or during times when soap and water are not available for hand hygiene.

Other types of alcohol listed, such as butyl alcohol and methyl alcohol, are not generally used in hand sanitizers due to their potential toxicity and irritant properties. Propylene glycol, while a common ingredient in various cosmetic and personal care products, does not possess the antimicrobial properties needed to effectively sanitize hands on its own. Thus, isopropyl alcohol stands out as the suitable and effective choice for hand sanitization.