Aspects to Take into Account When Buying Wigs for Women Many factors influence the price of hair wigs. Human hair wigs tend to be the most costly, though some are made of synthetic materials. Hair lace made from natural hair combs are also among the most costly. While they're typically less expensive but they're more prone to wear and tear. It's possible that they'll be affected by humidity as well as the conditions and could require to be restyled or re-dyed to make it look the best. Because of these factors it is important to consider whether the price of a natural human hair Bob is worth the cost.