Introducing ghd duet blowdry, ghd's revolutionary 2-in-1 hair dryer brush, effortlessly transforming hair from wet to blow dried with no heat damage¹ and 3x more volume². The fastest way to create professional smooth and bouncy blow dries at home with 24 hour long-lasting results, using ghd's unique and innovative Heat-Air Xchange Technology. Designed for all hair types. ¹no thermal hair damage detected after 100 cycles of 4 passes on thoroughly towel-dried hair. ²technical testing vs naturally dried hair, dependent on consumer use