Looking to spice up your relationship? Meet your new secret weapon. Created in collaboration with Millionaire Matchmaker Patti Stanger, this couples kit is designed to ignite the romance. Red Diamond is a sensual blend of jasmine, grapefruit, and amber with a hint of citrus. Contains powerful pheromones to attract him. Black Diamond is a bold blend of cedar, blackcurrant, and lemon. Undertones of oak, white amber, and musk. Contains powerful pheromones to attract her. What are pheromones? Pheromones are known to trigger a variety of behaviors, but they are best known for their ability to arouse sexual arousal in others.