The Nanothermic Technology of Olivia Garden fulfills three requirements that are necessary for a gentle and nurturing hairstyling on a professional level. It provides an anti-bacterial protection which gives your hair a healthier shine and makes it easier to style. Ceramic Barrel. Tourmaline-Ion Technology. Blend of boar and nylon bristles. Flex brush head and adapted shape. Optimized Air Flow. Snag-free ring. Ergonomic handle. Retractable sectioning pick. Lightweight.