Important Factors to Consider when Purchasing Wigs for women There are a variety of factors that determine the price of the cost of a wig. Human hair wigs tend to be the most expensive, but some models are constructed from synthetic materials. Human hair is naturally laced combs are also the most expensive. While they're typically less expensive, they require more maintenance. The hair will react with humidity and the weather and might need to be restyled or re-dyed to look its best. Due to these reasons you must consider whether the price of a natural human hair bob is worth the extra expense.