2 in 1 hair straightener and curler straight or curl, take your pick with the 2in1 straightening and curling hair iron. You no longer need to have a flat iron for silky straight hair and a curling iron to create bouncy curls. The nova hair iron features a duo design, so you can have both hair styles in just one heating tool. Plus, ceramic technology gives your hair even heat distribution, so your hair keeps its natural moisture