An innovative, everyday curling iron with tri-zone technology to guarantee a constant, even, optimum temperature for healthy-looking, bouncy, classic curls that last. Developed by ghd scientists, it features breakthrough patented tri-zone technology with six intelligent sensors that guarantee the optimum curling temperature of 365°F across the barrel for long-lasting, healthy-looking curls with up to two times more color integrity. Tri-zone maintains heat evenly from root to tip, locking in moisture and setting the style pattern so rounded curls hold their shape round the clock. In as little as 25 seconds, the curling iron heats up and glides through hair like silk.