What it is: The only straightener with flexing copper alloy plates designed to shape around your hair, gathering it neatly together on each pass. Who it's for: Engineered for all hair types. What it does: The extra control means you can achieve the same style but with less heat, and therefore half the damage.* The Dyson Corrale Straightener can be used corded or cord-free for extra versatility and freedom while styling. Before using, charge your straightener to 100% to maximize performance. - Flexing manganese copper alloy plates shape around your hair. This extra control allows you to create the same style but with less heat and half the damage.* Dyson recommends styling with a heat setting below what you normally use.