To achieve the best results, follow these simple steps:Begin by cleaning any stains or oil residue from the mirror or camera lens thoroughly. Ensure the surface is dry and free from moisture.Hold the bottle approximately 5-10cm away from the surface and spray evenly, covering the entire area. After spraying, allow the product to dry completely. Drying times may vary depending on the temperature and humidity levels, so patience is key. Before using our product, we highly recommend watching our detailed instructional video guide. Many of the concerns raised in previous reviews may have arisen due to improper application. Our video provides step-by-step instructions to ensure optimal performance and results. Enhanced Visibility on the Road: Specifically designed for car rearview mirrors, our coating agent facilitates clear observation by preventing water droplets from lingering on the surface. Enjoy an unobstructed field of view, especially during adverse weather conditions, for a safer and more comfortable driving experience. Multi-Purpose Rain Repellent: Versatile and effective, our Rain Remover is not limited to car surfaces. Use it on auto glass, windows, windshields, mirrors, and even shower doors to repel rain and water effectively. Ensure clarity and visibility in various settings with this all-in-one solution. Easy Application with Spray Design: Simplify your maintenance routine with our convenient spray design. The Car Windshield Spray is easy to apply, providing a hassle-free solution for protecting your glass surfaces. Enjoy the benefits of enhanced visibility without the need for complicated application processes.