Talk about living in the lap of luxury: the Dyson Corrale Hair Straightener will seriously up your hair game. This impressive device actually uses flexing plates to better gather your hair for straightening. Made with a manganese copper alloy, these flatiron plates use less heat to straighten your hair. In turn, this results in less overall hair damage and breakage. Additionally, this flat iron works either with or without its cord. In fact, the Corrale delivers up to 30 minutes..