A: There are a lot of different recipes out there for using alcohol to make your own homemade hand sanitizer, a trend that started when it was in short supply at the beginning of the coronavirus pandemic. Some distilleries even provided their alcohol for the makers of hand sanitizer because of the high demand.
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So, while it can be true that alcohol works as a substitute hand sanitizer, you have to understand that for hand sanitizer to be truly effective, it needs to be at least 70% alcohol by volume, in that particular construct. Just pouring alcohol onto your hands isn’t necessarily any good.
There are vodkas out there that go up to 95% alcohol, which would be effective, but most of the vodka you’ll see is only 20% or 30%, which won’t disinfect.
Now that hand sanitizer is widely available again for purchase, your better bet is the manufactured variety — and good old-fashioned handwashing.
– Pediatric infectious disease specialist Frank Esper, MD.