Warm Tips for You 1. In order to ensure all the facial steamers you received can be used normal , we will carry out product testing before leaving the warehouse, so there may be residual water on the surface of the product and water cup, this is a normal phenomenon, and we promise that the products you receive are new and can be used normally. 2. You cannot add essential oils to the steamer's nozzle or water. 3. When the water is below the minimum water level line, please add water in time. 4. The product has overheating protection, it will stop heating when there is no water in the water cup 5. To save you time, the wheels are fitted for you before they are packed 6. Turn on the “Light”button, then the spray will be stronger.