Your favorite hair extensions have grown 100%! Hairdo’s Invisible Extension adds 20 inches of length and beautiful volume in just a few simple steps. The discreetly elegant cut makes it easy to put on this long and sexy look without the hassle of getting into your hair. Just put it on your crown and pair it with your hair. Human hair can be smooth or curly, depending on your mood. Can’t you see your color? Don’t worry, our human hair color increases naturally so you can get any shade you want easily.