Jane Iredale Blending Brush is a versatile makeup brush which can be used with both cream and powder based makeup. Expertly crafted with a unique combination of natural Goat Hair and Taklon Fibres, Blending Brush is extremely versatile and can be used to apply bronzer, foundation, finishing powder and much more to a seamless, professional finish. Directions: Blending Brush is perfect for applying a sheer layer of powder or blending creams for a flawless finish. Materials: Goat Hair and Taklon.