Since the reviews section is closed I will post here. I have tried many QD's and I keep going back into my stash reaching for the Speed Shine. This product does and excellent job as a QD and leaves the finish slick and glossy. I used it after my wash to give that extra gloss and slickness. I have also found that it have some cleaning ability too. I like to use it when wiping down door jams and such with a MF towel and it leaves anice clean look there also. I have used Meguiars QD and a mixture of DP 4-in-1 and I believe I have found my go to QD. Yesterday when I was preping a car for polishing I was claying at first using the 4-in-1 mixed at the QD ratio. It seemed to make my clay detiorate a little quicker than normal and the claying was not going a quick as normal. It was a white car so the contaminants show up more easily tha other colors. So about half way through I switched to the Speed Shine and it seemed to improve the the ability of the clay. seems as if the clays glided more easily and picked up contaminants more effectively. I use it on my black truck and I do not see any streaking when using it as a QD. I spray, wipe, flip, and wipe again. I have some PB S&G and I think the Speed Shine gives the same looks or better and is more versatile. Forgot to mention it smells great too.