Yes, hair smoothening is for everybody. Any type of hair can be smoothened. Even the curliest hair can be flattened and polished. However, the quality of the hair determines the time it would take to complete the process. If you want a haircut before the treatment, then you can do it in a separate appointment or t the same one. After the cut, it becomes easier to determine how the smoothened hair will look on you and then you can decide.