When I first seen this I thought, "what an awesome way to get a french manicure" without having to go to crazy measures to get it done on my own. I purchased the Teal one, which is actually green in the bottle, and when you first put it on your nails. As you can see if the picture, it seperates in the middle to give you "2" bottles of nail polish. Your supposed to paint your nail with the solid color, and then go over it with the clear polish to create a unique look. You can french manicure your nails or you can draw little flowers or hearts onto your nails. I found that the brush used for the clear "color changing" polish was way too large for what you wanted to do with it, and the color didn't turn out the color they said that it would. There were too many bristles for intricate design. I also found that i had a problem with blob's of the color changing polish smack dab in the middle of my nail. I did not find this product usefull whatsoever, and have only used it once. If you are looking for a quick, unique do it yourself look, then you cant go wrong with this product, just be wary because it is quite difficult to obtain a "professional" look., unless your experienced in this kind of thing.