RMK Blush Brush This blush brush is soft against the skin. It contains just the right amount of powder, making it easy to adjust the amount of blush for a soft and beautiful finish. The unique round shape of the brush spreads softly and gently to the base of the cheeks just by gently touching the brush to the cheeks. You can easily create a natural gradation without any technique. Artificial hair (PBT) is used.