Wigs are not only a popular fashion item these days but can also serve a greater purpose. These is in the case of wigs for cancer patients - they serve a valuable function as cancer patients who have had chemotherapy or radiotherapy often lose their hair due to the effects of the treatement. In these cases, wigs might be supplied by the health authority or may be bought privately. There are many places now where you can buy wigs, including online shops which specialise in wigs. All you have to do is do a simple search on one of the popular search engines like google or yahoo. Once you have found a few shops online, you can do some comparison shopping and check out the range of wigs available.