Place dispensers by every sink around the home and office for On Guard protection throughout the day. The foaming dispenser holds 8-oz. of doTERRA On Guard Foaming Hand Wash and is the most convenient way to dispense foam onto hands. You can also add other doTERRA hand washes or concentrates to your bottle. Simply pour the concentrate to the fill line on the bottle and fill the rest with water. The sleek design makes for a subtly beautiful addition to sinks throughout your home and office.