What Is a Good Wig to Buy? When buying a wig, there are some aspects to take into consideration. Always examine the hairstyle of the person who is wearing the hairpiece. A good wavy-styled wig will improve the natural look. For example, if have blonde hair that is thin and thin it is best to choose the wavy hat. If you have thick, curly or brown hair, you need to choose a wig that will emphasize the design.