After the fall of the Roman Empire, the use of wigs fell into abeyance in the West for a thousand years until revived in the 16th century as a means of compensating for hair loss or improving one's personal appearance. They also served a practical purpose: the unhygienic conditions of the time meant that hair attracted head lice, a problem that could be much reduced if natural hair were shaved and replaced with a more easily de-loused artificial hairpiece. Fur hoods were also used in a similar preventative fashion.
Another use seen in modern day society is for men who crossdress as women, wigs are used to make the men have more feminine hair in all sorts of styles, they wear this along with other 'female' clothing.
