The Comfort Zone Cat Calming Collar may start improving your kitty’s behavior in just one to two weeks. This ingenious collar mimics your cat’s natural calming pheromones, signaling to them that the area is safe and familiar. Feeling safe relaxes your fur baby and reduces their stress-related, destructive behaviors, like urine marking and furniture scratching. This cat collar is purr-fect for adventurous cats—the steady release of calming pheromones will help soothe and relax your pal wherever they go.