I have had success both with and without using scents, whether those were the deciding factor in my hunts is inconclusive. I have also had bucks stop dead downwind and lip curl from doe-in-rut lures and other times the scent made no measurable impact. Tinks 69 and Myles Keller Doe-in-Heat Gel had positive reactions from bucks in my past experiences. However, Mojotex summed it up well in his final comment i believe.