What is it called to be obsessed with hand sanitizer?

Answer 1

most sanitizers have quite a bit of alcohol to kill the germs.

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Germophobia...

No it is a mental disorder OCD repeating an activity to rid anxiety over irashional fears e.g germs.

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I believe the above answers are suggesting an addiction more so than an obsession. In any case, the condition is probably bacteriaphobia, an exaggerated fear of bacteria (germs) which, by extension, could lead to an unnatural obsession with germicides such as hand sanitizers.

yeah see what your saying but OCD isn't an addiction, it stand for Obsessive, Complusive, Disorder. And hygeine is a common one. e.g. Washing your hands over and over to make sure they ARE clean. the conditions you have mentioned al slightly fall under the category of OCD. but the bacteriaphobia seems most likely.