How to tell if human hair is real?

In order to tell for sure whether it's real or not, take a strand and do the burn test again, but this time SMELL the hair as it burns. Real human hair has a very distinct smell when it burns, while synthetic hair has a smell like burning plastic. Synthetic hair will also produce black smoke when its burned.
And the human hair is soft, the Synthetic hair is hard. The synthetic hair is too shiny under the light.