Each ghd curve? wand contains the break-through ultra-zone? technology that guarantees the right curling temperature of 185?C. This is maintained across the whole barrel thanks to the latest in advanced technology recognising the section of hair and adapting to ensure the correct styling temperature at all times; delivering lasting curls that are formed fast and stay locked-in, while respecting the health of your hair. And for curls that last, pair the ghd curve? classic wave wand with ghd curly ever after – curl hold spray for 24 hour curl hold*.