Hand-washing requires only soap and water or an alcohol-based hand sanitizer
Wash your hands after you touch people or surfaces
Always wash your hands before preparing food or eating, treating wounds or inserting or removing contact lenses
Wash your hands after touching food, using the toilet or touching an animal
It’s generally best to wash your hands with soap and water.
Rub your hands vigorously for at least 20 seconds. Remember to scrub all surfaces, including the backs of your hands, wrists, between your fingers and under your fingernails.
Source: Mayo Clinic