The scent eliminating power is even more powerful with the Hunt Dry technology in Scent Killer Gold. This technology attacks existing odors at multiple levels and is effective for up to 10 days after drying. No need to spray down your clothing prior to every hunt! If you want the ultimate in scent elimination that eliminates odors on contact and continues to work for up to 10 days, check out the Scent Killer Gold products from Wildlife Research Centers. A vital step in your scent elimination regiment is personal hygiene.