Surgical scrubbing and gowning is done to reduce bacteria on hands and forearms to a safe level before surgery. The document outlines the scrubbing process which involves removing jewelry, trimming nails, and washing hands and forearms with antimicrobial soap. It describes scrubbing in a timed or counted strokes method for 5 minutes while keeping hands raised. The ideal surgical scrub reduces bacteria, has persistent effects under gloves, and is non-irritating to skin.