What it is:An advanced, eco-friendly styling brush.What it does:Sephora Hair Brushes Bamboo Round Boar/Nylon Brush features a ceramic-coated barrel for rapid and even heating. The boar hair bristles offer exceptional hold and control that is gentle enough for delicate hair. The penetrating nylon bristles, treated with ion-emitting tourmaline, offer maximal smoothing benefits. The results are unbeatable&#151sleek and beautiful.What else you need to know:What is special about bamboo? Bamboo is not a tree but grass that grows in almost every tropical climate. While it takes a tree many years to mature, some varieties of bamboo can grow a foot per day, so there is no danger of depopulating a forest of bamboo plants! This essential haircare tool lets you do what's best for your tresses and your planet at the same time!