Amika's hair blow dryer brush is Amika's new and improved version of their bestselling hair tool, which combines a round brush and blow dryer for a voluminous blowout. The large oval barrel creates volume at the root and sleekness along the hair shaft while a mix of long and short bristles detangle, smooth and minimize breakage. adjustable heat settings provide a customized blowout that works for every hair type. Works on all hair types. At Amika, all hair is welcome. from curly to color-treated, this product is safe and effective for all.