Use undiluted. For hand wash:
Wet hands.
Apply MICROSHIELD 4 to the skin and rub gently over all surfaces, including spaces between fingers.
Rinse well and dry hands.
For preoperative washing:
Wet skin.
Apply MICROSHIELD 4 to a clean wash cloth or directly onto skin and work into a light lather all over the body or specific area. Leave on skin for 1 minute, then rinse thoroughly.