Always be sure to clean prior to use following the cleaning instructions. Squeeze the bulb portion of the aspirator then gently place the tip against the baby's nostril. Release the pressure from the bulb to draw mucus into the aspirator. To remove excess wax from baby's ear, remove the nasal tip and attach the ear syringe attachment. Squeeze bulb and place the extension in the outer ear canal and slowly release pressure. Cleaning: Wash thoroughly before and after each use in a mixture of warm water and soap. Squeeze and release pressure in order to flush out bulb. Repeat with warm water to remove any soap.