The magic of The Wet Brush is in the specially formulated Intelliflex bristles. Intelliflex bristles are thin, strong and very flexible flexible. They have intelligent flexible flexibility - flexible on one stroke and fi firm on the next. The adaptive flexibility of Intelliflex eliminates all tugging, tearing, pulling and ripping. No split ends, no hair loss. It provides healthy brushing and detangling, creating the perfect transition from wash to style!