They are secreted outside the body, and they influence the behavior of another individual.An aphrodisiac is defined as any food or drug that arouses the sexual instinct, induces veneral desire and increases pleasure and performance.

 

According to Osmology, or the science of smell, your natural scent that attracts someone to you and pheromones are responsible for this.

 

Pheromones are basically chemical signals that communicate information about our physical state, genetic makeup and more, to arouse an instinctive sexual response. It's already known that all animals release pheromones to entice a mate, but a series of ground-breaking research over the past couple of decades has demonstrated that humans also produce pheromones to attract potential mates.