Hand sanitizer - Wikipedia- hand sanitizer alchohol rub online ,Hand sanitizer is a liquid, gel, or foam generally used to decrease infectious agents on the hands. In most settings, such as the current COVID-19 pandemic, hand washing with soap and water is generally preferred. Hand sanitizer is less effective at killing certain kinds of germs, such as norovirus and Clostridium difficile and unlike soap and water, it cannot remove harmful chemicals.How to Make Hand Sanitizer: A Step-by-Step GuideMaking your own hand sanitizer is easy to do and only requires a few ingredients: isopropyl or rubbing alcohol (99 percent alcohol volume); aloe vera gel; an essential oil, such as tea tree oil or ...