Red hair is the most unique hair color to have. While there are a lot of pretenders out there [1], less than two percent of the world's population is born with the fiery hair hue. BuzzFeed Video [2] separates the facts from myth. For instance, did you know red hair [3] tends to be thicker and more resistant to graying? Redheads have much more in common than just their strands; it also represents how their skin reacts to the sun and pain. Learn more when you watch.