Pheromones are odorless chemical scents the body produces in mammals to communicate with members of the same species, allowing lead to different answers.

There is much documentation on it within the animal kingdom as a factor that strongly influences the emotions and behavior, including sexual attraction.

Scientific research has shown that human pheromones captured at a subconscious level or "instinct."

Scientists at the University of Utah and Colorado found that pheromones are captured through what is known as "Vomeronasal Organ" or VNO. The vomeronasal organ detects the substance and sends a signal directly to the hypothalamus, which emits chemical signals produced emotions of attraction.

Pheromones act directly on the brain, causing a instinctive attraction.