Description How fast will I see results:  Many dog owners start to see results within the first 7 days. However, every dog is unique. Depending on how long the signs have been present and how severe the signs may be, it may take longer to see an improvement. We recommend using Topdog Anti-Anxiety Diffuser for at least 1 month. To get the best from results follow the relevant advice on this website according to your specific problem. When to use: To constantly comfort your dog at home: If your dog has issues when staying alone at home (barking, whining, soiling…) If your dog is fearful of loud noises like fireworks or thunderstorms If your dog shows signs of fear at home, or stress when visitors come to your home When not to use:  If your dog’s issues are not related to stress, Topdog Anti-Anxiety will not help.If your dog is soiling the house due to lack of toilet training, or due to medical reasons, it will not help. It is important to consult a veterinarian to rule out potential medical issues. Topdog Anti-Anxiety plugin will not help and should never be used in cases of aggression towards humans. In such situations, we strongly recommend consulting your veterinarian or a dog behaviourist. Easy to use: Just plug and play: screw the vial onto the diffuser unit and plug it into an electric socket. Leave the diffuser switched on continuously. Good to Know:  Each diffuser refill covers an area up to 70 m2. Use in the room where your dog spends most of its time. Avoid plugging in the diffuser under shelves, behind doors, behind curtains, behind furniture, as it will not work Ensure continuous comfort to your dog by using a Topdog Anti-Anxiety Refill every month. The diffuser should be checked monthly and replaced every six months to ensure optimum effect.