Denman Hairbrush - The Original Styler D3. The benchmark of hairbrush design, our Denman D3 is loved around the world. Our unique sculpted pins deliver the ultimate in controlled styling and natural curl definition.The definitive hairbrush, the D3 styles, shapes, defines curls, detangles and smooths the hair.. • Seven rows of sculpted round-ended nylon pins separate, shape hair and define curls when hair is wet• The styling edges of the half-round brush create tension when shaping the hair during blow-styling• Unique pin pattern provides deliver extra grip and tension