Aspects to Take into Account When Buying Wigs for Women A variety of variables determine the price of an wig. Human hair wigs are the most costly, though some models are made from synthetic materials. Hair lace made from natural hair comb hats are also the most expensive. While they're typically less expensive but require more attention. The hair will react with humidity and conditions and could require to be styled or dyed to make it look the best. Given these issues you need to think about whether the cost of purchasing a natural human hair bob is worth the added cost.