Surgical Scrub Clean under nails with a pick. Nails should be maintained with a 1 mm free edge. Dispense 5 grams (tennis ball) onto one hand. Spread on both hands, paying particular attention to the nails, cuticles, and interdigital spaces and forearms. Rub into skin until dry. Dispense 2.5 grams (golf ball) onto one hand and spread over both hands to the wrists and rub into the skin until dry. Healthcare Personnel Handwash Dispense a palm full (golf ball) in one hand. Spread over both hands up to one-half inch above the wrists. Rub vigorously.