PHEROMONE - A chemical secreted by humans, that influences the behavior or development of others, often functioning as an attractant of the opposite sex. Evolved Pheromone Bracelets are made with 100% pheromone infused silicone. Placing these bracelets over your wrist creates a natural reaction from your sweat glands. This causes the pheromones to be released, attracting the opposite sex. Once opened, these bands last approximately 45 days. Pure silicone. Pheromone infused. Phthalate and latex free. Erotic stimulant.