You don’t need essential oils, aloe vera, or 99% alcohol.
All you need is regular 91% alcohol, glycerin, and water.
I read that the 70% alcohol is more effective at killing germs than the 91%.
Counterintuitive, but true.
All you need is regular 91% alcohol, glycerin, and water”
Most alcohol isn't 91%, 70% and even 50% is more common. Have a look on line. Essential oil is often used in home made hand sanitizers because MANY are anti microbial as well. In addition to taming the smell when using 91/99 percent alcohol.
https://www.bustle.com/p/the-6-best-antibacterial-essential-oils-18783842