Sales of hand sanitizers in the U.S. were up 73% in the four weeks ending Feb. 22 compared to the same period a year ago, according to market research firm Nielsen.

If you’re traveling or otherwise don’t have access to soap and water, the next best way to avoid diseases like COVID-19, which is caused by the novel coronavirus, is to use hand sanitizer.

Commercial hand sanitizer can get expensive, and with the shortage of hand sanitizer due to COVID-19, you may have to resort to making your own. X Research source Making your own hand sanitizer is a simple process that results in a formula you can customi