Chi Round Boar Bristle Brushes are unique because there are no hot or cold spots: the heat reflects back to the hair, cutting down the drying time. The ceramic plates give even temperature and emit Far Infra Red/Negative Ions for a silky, smooth finish when brushing. Evenly cut 100% natural pure boar, stands up to many years of daily use. Suitable for fine, normal and coarse hair with any length or texture. Bristles help eliminates all fly-away hair. Boar gives full control of the hair all the way from the roots to the ends.