Foot Deodorant Spray The Foot Deodorant Spray PREP helps to counteract the activity of good bacteria and the natural defenses of the skin on the feet, and to reduce odor in just tempo. The innovative formula, enriched with the historic ingredients of the Protective Cream PREP, deodorizes the feet by refreshing them and leaving them dry and soft. It helps to counteract the activity of the bacteria responsible for bad odor, preserving the good bacteria and the natural defenses of the skin on the feet, and to reduce odor in just tempo.