How soap destroys viruses

  • The side of the soap molecule that’s attracted to fat and repelled by water buries its way into the virus’s fat and protein shell. This breaks the virus's coat.
  • With the coat gone, the virus is pulled apart and this makes it soluble in water. You get rid of it by flushing it down the drain.
  • For the process to work correctly and for the soap to do its chemical work, you need to take at least 20 seconds to wash your hands.

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