This kit works really well. It took a lot of the fogginess out of my rear window which has been a huge improvement for driving visibility as well as aesthetics. The protectant says it protects from UV damage, but it has really helped to keep the window from fogging up again. It puts a nice kind of light luster on it too which really makes it look good. Disclaimer: this won't get scratches out of the plastic , the lady that helped me was pretty direct about that, but it will keep the window looking clear and new. I would definitely recommend.