When dogs are more secure in their environment, they are more relaxed thus making them better house companions, Beaphar Calming Collar for dogs effectively reduces problem behavior arising from stressful situations in dogs of all breeds, sizes and ages This calming collar uses safe and natural ingredients that are slowly released over a period of 3-4 weeks that leaves dogs feeling calm, settled and relaxed, reducing potentially destructive problem behavior Beaphar Calming Collar for dogs will keep your dog calm that will help to prevent excessive barking, chewing, inappropriate urination and can be essential in dogs that suffer separation anxiety Beaphar Calming Collar for dogs contains Valerian and Lavender, which are often used in human health care to manage stress and anxiety and have been proven to help reduce excessive barking, chewing, scent marking and other undesirable behaviors, once fitted, Valerian will be released immediately and the dog will begin to relax within approximately 1 hour This collar is long acting so is perfect for reducing anxiety during the introduction of new additions to the household, frequent travel or vet/kennels stays and for use during the party season when there may be fireworks and lots of guests in the home Once fitted, Valerian will be released immediately and the dog will begin to relax within approximately one hour