Why is the use of skin disinfecting compounds required for surgical scrubbing and not for everyday handwashing?

The use of skin disinfecting compounds are required for surgical scrubbing and not for everyday handwashing because surgeons do surgery inside of someone's body and if the doctor had an infection or illness, it might be fatal for the patient. Although, it is great to wash your hands, it is more important for a surgeon to wash their hands before performing surgery.