Things to consider when buying Wigs for women Many factors influence the price of a wig. Human hair wigs are the most costly, however some models are constructed from synthetic materials. Hair lace made from natural hair combs are also the most expensive. Although they're generally less expensive however, they need more care. They'll react to humidity and weather and might need to be styled or dyed for the best appearance. Because of these factors, you should consider whether the cost of purchasing a natural human hair bob is worth the additional cost.