What is human hair wigs?

[sophia9stevens]

Human hair wigs are the best option for women who are looking for a most natural-looking wig that is custom fit for their head shape. Human hair wigs offer the most natural-looking hair and are the most durable type of wig you can purchase. Any woman who may have gone through chemotherapy to cure her hair loss can also consider human hair wigs for their cancer treatment.

[Braham]

I think it is from natural people's hair. Some are from natural-looking alternative