How Pheromones Products Work It releases a drug-free, odorless vapor that mimics a cat’s natural, calming pheromones to signal to your cat the area is familiar and safe. When your cat feels less stressed, he or she is more likely to reduce stress response behaviors like scratching and urine spraying. ON THE GO CALMING: Our cat calming collars provide calming pheromone for your cat on the go that travels with your cat whether they go indoors or out. FITS MOST CATS: Our Cat Calming Collar is very flexible and comfortable to wear and features a flexible and adjustable design to ensure the pheromone collar for cats provides the perfect fit for any type almost all weights and sizes of cat kittens. LONG LASTING: Our Calming collars for cats can effectively alleviate bad behaviors from fearing or stressing caused by heat, noise, traffic, travel, separation anxiety, and unfamiliar new environments. SAFE & FRIENDLY: Our Cat Calming collar contains cat appeg pheromone analog which help relieve cat’s tension and anxiety. Hypoallergenic, and not addictive, help cats relax and eliminate aggressiveness. EFFECTIVE: Our Calming collar for cats works very quick and continue to provide calming pheromones for up to 30 days, and the cat calming collar could be worn 24/7, effectively reducing cat anxiety relief and stress while encouraging positive behaviors.