As you take your flat iron and create your favorite hairstyle, you may sit back and wonder just where this incredible styling product came from. Who came up with the flat iron, otherwise known as a hair iron or straightener? This wonderful tool used for creating straight, sleek looks or even fun curls, waves or flips has been around for quite some time. It goes without saying that the flat iron has gone through a number of changes for the better over the years. Additionally, it has quickly become one …