Most people with thicker hair and wigs are due to gray hair. The people who wear wigs are basically those with scarce hair, gray hair, baldness, and shaved heads. Then their own hair is thicker, can they wear wigs? Answer It is possible. Only the hair is thicker. If you choose a high-end handmade wig with a thin bottom net, you must thin your hair and wear the wig to make it more comfortable and breathable.