The best hair straighteners for 2022 are: Best overall: Cloud Nine The Wide Iron, £169 Best hair straightener for thick hair: Revlon Double Straight Dual Plate Design, £40 Best hair straightener for curly hair: Diva Pro Styling Precious Metals Gold Dust, £150 Best hair straightener for frizzy hair: GHD Max, £199 Best hair straightener for fine hair: Remington Proluxe You Adaptive, £75