I had seen a few demos on how to use this product online, and because I cut my own hair I was curious and wanted to try it fir myself. This thinning comb is a Godsend for people with wavy, thick or curly hair! My hair is thick and wavy, and I want to grow it long but don't want all the weight and bulk. This tool is really easy to use, and there is a thick side and a thin side as well. I highly recommend this product!!