Hand-washing: Do's and don'ts - Mayo Clinic- procedure on hand washing ,Hand-washing: Do's and don'ts. Hand-washing is an easy way to prevent infection. Understand when to wash your hands, how to properly use hand sanitizer and how to get your children into the habit. By Mayo Clinic StaffHand Washing Procedure (with Video) | New Health AdvisorHand Washing Procedure Handwashing is an important part of keeping infection and other illnesses from occurring. Hand washing is very easy and should be done before cooking and after using the restroom, at the very least.