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 are the most expensive, although some are made of synthetic materials. Hair lace made from natural hair combs are also among the most costly. Although they're usually less costly but require more attention. They'll react to humidity and conditions and could require to be changed or dyed to appear its best. Because of these factors you need to think about whether the cost of a natural human hair bob is worth the added expense.