ghd Rise Volumizing Hot Brush in Beauty: NA. ghd Rise Volumizing Hot Brush in Beauty: NA. This is the volumizing hair hero you've been waiting for - introducing the ghd Rise Hot Brush that creates 2x more volume* that lasts all day long. It delivers kind-to-hair styling and enviable volume from root to tip, through a combination of SMART ultra-zone technology and 0.5cm nylon bristles for maximum root lift. The advanced infinity sensor within the barrel ensures an optimum styling temperature of 365F is consistently maintained throughout styling, while the smooth-touch bristles allow for close contact at the root creating instant volume, 9/10 agree**. *technical testing vs. naturally dried hair **consumer testing vs. naturally dried hair. 1.25 inch barrel with cool tip and sleek tapered handle. 25 second heat up time for quick and effortless styling. Sleep mode automatically switches off after 30 minutes. Universal voltage (US two-pin plug) and 8.8 ft swivel cable. For use on dry hair only. GHDR-WU23. 71010. Working together with scientists and stylists, ghd has developed breakthrough technology that is designed to empower you. ghd offers everything you need to dry, style, curl, maintain and protect your hair to the highest possible standard at the scientifically proven safer-for-hair temperature of 365F. That's why ghd is loved by professionals and used in salons across the world. Because there's one thing we expect as standard - a good hair day. ghd - loved by beauty enthusiasts, endorsed by stylists.