Hair straighteners are excellent tools for making your hair sleek and straight. Whether you have curly or only slightly wavy hair, you can instantly transform your look with the use of a hair straightener. One downside of using hair straighteners is the fact that too much heat can damage your hair. When using hair straighteners, it is important to always use a conditioning cream on your hair first. You can also look for a heat protectant cream or spray that is designed to help protect your hair against a hair straightener's heat. You should also avoid using hair straighteners on a daily basis.