For whitetail bucks on a mission, Code Blue has created the perfect blend of nature and science with a Synthetic Doe Estrous Gel. Using advanced `DNA` technology, Synthetic Doe Estrous Gel is an amazing formulation with a potent, super-realistic scent of a doe in estrus. It`s definitely a deer lure that will provoke their natural instincts, so you can get closer to your mission of filling your tags this hunting season.