Perfect for Shimmer Blocs and Loose Shimmer Powders! The multi-dimensional brush delivers the perfect amount of product and buffs colour and shimmer into the skin. Finishing Brush is composed of both black goat hair and high-quality synthetic fibers. The black goat hairs act as a reservoir to hold and release the product onto the skin. The high-quality synthetic fibers are integrated into and extend past the black goat hairs to buff colour and shimmer into the skin for the most natural of looks!