Our award-winning formula is fortified with Pro Power 2 to remove human odor on clothes and boots. This powerful formula takes scent elimination to its highest level. Original Scent Shield eliminates human scent by preventing the scent molecules from forming a gas. No Gas -No Odor. Tech Specs DIRECTIONS: Pre-hunt: For maximum effectiveness, spray ORIGINAL Scent Shield w/Pro Power 2 directly on caps, boots and clothing. Pay particular attention to sweat gland areas (inside caps, under arms of T-shirts, socks and groin area). Store all clothing in a scent-proof container until needed. While hunting: Reapply Original Scent Shield w/ Pro Power 2 to clothing prior to each day's hunt and after periods of high activity. **Also designed for use on bows, tree stands, and other hunting gear that may hold human scent** DIRECTIONS: Remove original flat cap from gallon container Adjust plastic slide on hose to approximate height of container. Put hose end into container - cap will slide down to stopper. Screw cap tight Adjust nozzle to spray/mist. May require several pumps to prime During transport, put original flat cap back on, or keep upright. Product will leak if container tips over with sprayer.