There are various types of hand sanitizers on the market, and the ones commonly used in hospitals contain 75% alcohol. Therefore, the hands-free hand sanitizer used in hospitals can kill germs in the hands, including the new coronavirus. But there is no cleaning effect in the way of hand sanitizer, only a local killing effect of the virus. But if it is the nail or in the dead corner of the fingertip is not coated, there may also be a risk of virus contamination, which should be paid special attention. So special period, you can use a no-rinse hand sanitizer temporary treatment, but still need to be fully cleaned. If it can be adequately cleaned, it can minimize the chances of possible contamination. In addition to the commonly used hand sanitizer in hospitals, if it is a home hand sanitizer, whether it has the effect of killing and sterilizing, it should be combined with the specific instructions of such products. Content source: Dr. You Lai