Important Factors to Consider when Purchasing Wigs for women A variety of variables determine the price of a wig. Human hair wigs are the most costly, though certain models are made of synthetic materials. Human hair is naturally laced comb hats are also among the most costly. Although they're generally less expensive, they require more maintenance. It's possible that they'll be affected by humidity as well as the weather and may need to be restyled or re-dyed for the best appearance. Due to these reasons you need to think about whether the cost of purchasing a natural human hair bob is worth the extra cost.