New ghd professional 14mm thin wand with PTC heater technology and +38% longer barrel guarantees defined and even curls* up to 24-hours, with no extreme heat. From fine and straight to thick and curly, never before has a curl this tight and defined been achieved with ghd. With the enhancements in design and technologyâs ultra high-definition, curls can now be created easily in as little as 3 seconds, on all hair types. PTC heater technology heats up to the optimum styling temperature 185C in only 30 seconds so that results are achieved from 3 seconds1, for effective curling with less damage.2 14mm thin barrel with advanced ceramic coating for defined and even curls up to 24 hours.