What is this product? The magic of the Wet Brush is in the specially formulated IntelliFlex bristles. IntelliFlex bristles are thin, strong and very flexible. They have intelligent flexibility - flexible on one stroke and 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!