A hair straightening apparatus having two arms pivotably coupled together wherein the arms are arranged to receive hair within a cavity formed between them is provided. At least one of the first arm and second arm includes a plenum having an air outlet for emitting air towards hair within the cavity. A hair clamp including a pair of clamping members for gripping hair therebetween, wherein each clamping member is supported by an inner wall of the first arm and second arm, respectively.