This Twilight Pheromone spray by Hot is unscented, which means it can be worn discreetly. But the pheromones in the spray exert an irresistible erotic attraction on women and you certainly won't go unnoticed when you walk into a room! Of course this spray goes perfectly with your favorite cologne or aftershave. Pheromones are chemical substances that can make a person feel attracted to someone else. It's been scientifically proven that both men and women have a specific preference for a certain type of pheromones.