The Kash? Ki makeup brush collection combines sophisticated design and products of the highest quality. The highest quality materials were selected to meet the needs of those who cannot settle for less. Copper, wood, natural and taklon bristles were used to make the perfect collection of brushes. Natural and taklon bristles of the highest class were chosen for the Kash? Ki brush collection. The bristles are hand-formed, perfectly shaped, and naturally soft, as they are not clipped.