Blow-dry extra long hair like a pro with the ghd ceramic vented radial brush size 4 (55mm barrel). Make everyday a great hair day with ghd! Create soft, bouncy volume with the ghd ceramic vented radial brush size 4. The ventilated barrel retains heat for a faster drying time as smoothing ceramic technology adds healthy shine. The soft touch, non-slip handle gives you complete control over your style, even when your hair is wet. The platinum toned cap adds a touch of luxury. Available in 4 sizes for different lengths of hair.