Veterinarian's Best Lavender Comfort Calm is an all-natural aromatherapy formula, with soothing Lavender, that quickly eases the stress of travel, loud noises like fireworks and thunder, and helps reduce the anxiety that some dogs experience when left "home alone". Essential oils like Lavender have long been known for their aromatherapeutic calming properties. Also, botanical extracts like Chamomile and Valerian can be very soothing. Contains: Blend of Chamomile and Valerian Extract, Essential Oil of Lavender, Lecithin, Vitamin C and E, Neem oil, Natural Fragrance.