Vidal Sassoon Answers For Fine Hair - 3/4" Nano-Ceramic Root Volumizer. Nano ceramic barrel provides the direct, even heat that fine hair needs to hold styles longer. Root-lifting crimping barrel crimpes hair at the roots to boost volume without teasing or try "piece crimping" to add texture. Salon performance. Multiple heat settings. 30-second fast heat-up. Instant heat recovery. Auto shut-off for added peace of mind. "Fine" refers to the size of the individual hair strand. Since find strands are very small in diameter, they dont hold curl easily and often appear either weighted down and limp or dry and flyaway. Styling tools will add crucial moisture to fine hair without leaving it flat are essential for creating styles with sm