John Frieda Sleek Finish 1-Inch Straightener
Most flat irons lose heat, and therefore flattening power, with every pass through your hair. Not so with the John Frieda Sleek Finish 1-Inch Straightener. Its frizz-busting ion-infused plates heat to a whopping 455 degrees Fahrenheit in 15 seconds and stay hot until every last strand is in place.
To buy: $50, ulta.com.