Beaphar Calming Collar effectively reduces problem behaviour arising from stressful situations in cats and dogs of all breeds, sizes and ages. Using Valerian and Lavender which are often used in human healthcare to manager stress. It leaves the pet feeling calm, settled and relaxed, reducing potentially destructive problem behaviour. When pets are more secure in their environment they are more relaxed thus making them better house companions. Keeping animals calm will help to prevent excessive barking, scratching, chewing, inappropriate urination Once fitted, Valerian will be released immediately and the pet will begin to relax within approximately one hour.