No Scent Field Spray is a game changer! Using state of the art enzyme formulation that encapsulates and dissolves 100% of human malodor molecules. No Scent Field Spray is NOT a cover scent, does NOT use heavy metals, does NOT use harsh chemicals. No Scent uses a proprietary formula of natural (Non-GMO) enzymes specifically designed to target, encapsulate, and dissolve human malodor molecules (feces, urine, vomit, sweat, breath, blood). No Scent sciences the STINK out of you! No Scent lasts 4-6hrs.