When to use soap and water, and when to use hand sanitizer ...- công ty irish sanatiser ,Jun 06, 2020·When washing with soap and water, the CDC advises people to wet their hands with clean running water (warm or cold) and applying soap. Lather the hands by rubbing them together with the soap, making sure to scrub all surfaces of the hands, including palms, backs, fingers, between fingers and under the nails.