Scent Thief s revolutionary formula is the first and only hunting scent blocker product to completely eliminate an animal s sense of threatening odors. Our patented No Smell Technologyrelaxes the olfactory epithelium, temporarily shutting down an animal s sense of smell. When an animal gets Scent Thief Field Spray in their nose, they won t be able to smell anything else. Guaranteed. The wind can now act in your favor. All natural, all organic ingredients are safe for skin, clothing and the environment.