Considering the kinds of chemicals found in commercial products, you may want to try using a natural eye make up remover.  Among other things, if you are already using natural cosmetics, the last thing you will want to do is use a synthetic product that will cancel the benefits of your initial efforts.  In addition, while studies have indicated for years that synthetic products are safe, newer information is showing that certain chemicals found in beauty products can cause a number of immune, and other health related issues.   Therefore, it will be to your advantage to use a natural product, even if it costs a little bit more.