Painting nails can get messy. Some have a preference on brush size but I don't. True some cover more areas in a swipe or two compared to others but to me its the formula also. Here I have taken a picture of Sally Hansen complete Salon Manicure thick brush, an Ulta Salon Formula brush, lastly is an Essie brush. I found that the Essie brush I have to swipe more to cover an entire nail but I don't hate it. Essie's formula is thin so second to third coats are always required for an even coverage. On the plus side each coat dries pretty fast.