2 min. I did an experiment in 6th grade to test that question.
Hand sanitizer has a shelf life of 3 years.
For homemade hand sanitizer it depends on what ingredients you use.
no
Probably Hand Sanitizer
there is 5% water in hand sanitizer
Hand sanitizer will not get rid of warts.
Some hand sanitizer does dry out your hands
Hand sanitizer is manufactures with an element called alcohol.
As long as the hand sanitizer uses Ethyl Alcohol (Ethanol), not Isopropyl alcohol, then yes. Most do, like Purell, 62% Ethanol.
Technically, since it's a hand sanitizer and sanitizer means "to make sanitary, as by cleaning or disinfecting" then obviously it's the dirt get cleaned and not the sanitizer get dirty.
The dots that float in hand sanitizer are likely air bubbles. When you pump or dispense hand sanitizer, air can get trapped and form these bubbles that rise to the surface. They are harmless and do not affect the effectiveness of the hand sanitizer.
hand sanitizer msds sheet