ghd Curve Professional Hair Curling Irons Wands | Soft Waves, 1 " Open box, Inspected/Tested: Excellent condition. Retail box may show wear. The ghd curve Classic Curl curling iron features 1-inch large barrel with spring activated ergonomic lever is perfect for creating soft bouncy curls and volume at the root. Product Benefits Ultra-zoneTM technology monitors temp across the whole barrel adapts to your hair for healthier looking hair.Ultra-zoneTM technology monitors temp across the whole barrel adapts to your hair for healthier looking hair. Shape Barrel Brand ghd Hair Type Curly Color Black