ghd Duet Style - 2 in 1 Hot Air Styler Blackghd have achieved the impossible introducing the revolutionary ghd duet style, a 2 in 1 hot air styler* that transforms hair from wet to styled with just one tool. Unique Air fusion technology combines the best of ghd's heat and drying technologies to deliver transformative results and simplify your styling routine. A set of 4 smart heated plates work in harmony with the unique internal aerodynamic system inside a bespoke styling chamber. Infinity