I need to clear up some misconception about this product based on reviews I’ve read. First, if you are reading this keep reading you will learn exactly what you need to do from an individual with experience with this stuff.You looking at products like this because your headlights are not looking so hot anymore. So what are your options?Option OneIf your headlights are lightly oxidized: I know “oxidized” is not the best word, but what I mean is that basically this kit, “3M 39173 1 Pack Quick Headlight Clear Coat”is an extremely light buffing kit that is the equivalent of using a light rubbing-compound before waxing your car. So, if your headlights are lightly oxidized this kit will likely work. However, I am guessing your headlights are much worse and you are nervous about putting sandpaper on a drill and sanding your expensive headlights. I understand, but do not kid yourself, the 3M 39173 1 Pack Quick Headlight Clear Coat kit works, but its not a miracle product. Hence, I urge you to read Option Two.Option TwoIf your headlights look like my headlights in the “Before” picture attached with this review dull and pitted, the product you need to purchase is “3M 39045 Headlight Renewal Kit with Protectant.” This is a heavy-duty kit that includes the sandpapers to resurface your headlights in three steps using the following sandpapers and wet-sanding pad.• 500-grip sandpaper (heavy duty sanding to smooth out the surface and pits)• 800-grip sandpaper (smooth’s out the scratching from the 500-grit sandpaper)• 3,000-grip wet-sanding pad (smooth’s/removes out the swirls left by the 800- grit sandpaper)• Headlight Clear Coat (final application)The attached picture is my Mini headlight that has 13 years with 165,000+ miles on of wear-and-tear on it, and as a result my headlights were massively dull and pitted. The “Before” picture really does not do it justice to show just how bad they were.Attached Image Break Down• The first image shows the headlight before it was restored. It really does not show how dull and bad the pitting is, but it was really bad.• The second image shows how the headlight looked after sanding with 500-grit sandpaper. There was another sanding step with 800-grip sandpaper, but I do not have an image of that.• The third image shows the headlight after sanding with a 3000-grit wet-sanding pad and then sealing the lens with the protectant.The Restoration Process Is Simple with the kit 3M 39045 Headlight Renewal Kit with Protectant.”1. Clean the headlights with soap and water.2. Tape around the headlight with the included green tape. NOTE: I used additional blue tape because I did not want the sanded plastic to get into my headlight pop-up washers. This is why there are two layers of tape.3. Sand the headlights with 500-grip sandpaper.4. Sand the headlights with 800-grip sandpaper.5. Wet Sand the headlights with 3,000-grip sanding pad.6. Clean the headlights (make sure they are dry), and then seal with the included protectant.There are some good YouTube videos showing you how to use this heavy-duty kit. Just take your time and your headlights will look great again.Tips1. Separate your sandpapers into two stacks. One for each headlight.2. As you are sanding down the headlights, occasionally clean off your sandpaper buffing pads; you can do this by patting them on a towel or something. This will unclog the sandpaper, thus allowing you to work more efficiently. After I was done, I put the sandpaper buffing pads away because I can use them again for one more job.ConclusionI am not trying to sway anyone into buying something you do not need, but after reading a bunch of the reviews here, and knowing my personal experience and aptitude with mechanics, it is obvious that many individuals with negative reviews are not being realistic about what this kit does, and do not want to purchase the correct heavy-duty kit that they really need.To Clarify: Bottom Line1. If your headlights are lightly oxidized use kit “3M 39173 1 Pack Quick Headlight Clear Coat,” and go with Option One.2. If your headlights are dull and/or pitted use the heavy-duty kit “3M 39045 Headlight Renewal Kit with Protectant,” and follow my instruction in Option Two.******* Please let me know if this review was helpful by clicking the “Helpful” button below*******THANK YOU!