I’ll admit: Before I learned how to straighten hair, I was frying my strands into oblivion. As a preteen I had one of those wet-to-straight flatirons (remember those?) that emitted a cloud of steam ...

We have come a long way in our search for straight hair. While the first straightener was invented in 1909, there were days of using an ironing board to smooth out frizz. Now we have nearly any tool ...