Aspects to Take into Account When Buying Wigs for Women There are a variety of factors that determine the cost of the cost of a wig. Human hair wigs tend to be the most expensive, although some models are made from synthetic materials. Natural human hair lace combs are also among the most costly. While they're often more affordable but they're more prone to wear and tear. The hair will react with humidity and weather , and could need to be restyled or re-dyed to appear its best. Given these issues you need to think about whether the price of a natural human hair bob is worth the added cost.