Calming Collar for dogs effectively reduces problem behavior arising from stressful situations in dogs of all breeds, sizes and ages. Safe and natural ingredients that are slowly released over a period of 3-4 weeks it leaves dogs feeling calm, settled and relaxed, reducing potentially destructive problem behaviour. Keeping dogs calm will help to prevent excessive barking, chewing, inappropriate urination and can be essential in dogs that suffer separation anxiety. Animals & Pet Supplies > Pet Supplies > Pet Medicine Calming Collar for dogs contains Valerian and Lavender, which are often used in human health care to manage stress and anxiety.