Feliway uses synthetic feline facial pheromones to end urine marking and scratching and to comfort cats in stressful situations such as being alone in the house, visitors to the home, new pet or family member, moving to a new home, visits to the veterinarian, adjusting to a new environment, or multiple cat households. Feliway mimics a natural comforting facial pheromone produced by cats. Product is odorless and non-toxic, does not affect humans. Not a drug or tranquilizer. Refill ingredients: Analogue of feline facial pheromone 2%, excipients to 100 g.