Introducing the ghd Chronos Max™, our professional HD motion-responsive™ wide plate flat iron, designed for high-definition styling that's 2x more responsive1 for 3x faster2 results. Our best wide plate flat iron, perfect for transforming long, thick, and curly hair in just one stroke with no extreme heat damage.3 1Vs competitor styler operating at 455°F. 2Vs ghd Max. Technical test in lab show Chronos Max is 3X faster to achieve same high level of frizz reduction on frizzy tresses. 3Extreme heat is any heat treatment causing fractional wet tensile strength reduction per cycle greater than 0.001, measured over at least 100 cycles on brown Caucasian hair (a 'Strength Reduction'). Extreme heat damage is a Strength Reduction of more than 0.005