Human hair ponytail extension are a great invention that have helped to make hair styling that much easier and more fun. They keep us busy for hours. The best and most popular extensions that are available in the market are the human hair ponytails. They are popular for many reasons, but the most obvious one is the fact that they are made of real human hair. They look, feel and even smell like human hair. The hair used to make the ponytail extensions is not only real and natural, but also comes from donors.