I'm going through this right now. The Volvo touch up paint is nice but the nail polish applicator brush isn't ideal for all touch ups. You might want to experiment with a very fine art brush depending on the shape and size and depth of the scratch. The brush in the bottle did okay for me on a few small touch ups but it sucked on some bigger chips (size of a match head) because the paint would just blob. When I went to wipe the area clean 10 minutes later (per the instructions) with the damp bottle tip to clean up the excess on the surrounding area it would pull all the paint back out of the chip. So now I'm going to apply several light color coats using a very fine art brush, being very careful not to get any paint on the surrounding area and not let the touch up paint height get built up above the height of the surrounding area. This way when the color coat is at the optimal depth I can just clear over that.