Our pet defecation inducers contain hydrogenated castor oil, rosemary leaf oil, lavender oil. It can use the principle of conditioned reflex to teach the dog to discharge at a fixed point in 3-5 days. Its use method is very simple: 1. Spray the sprayer in a certain position, let the pet smell. 2. Encourage your pet after it defecates in a designated area. And you can develop good habits for your pet.