The Sigma Beauty 4DHD™ Kabuki Brush is the makeup brushes you didn't know you need in your collection It features a unique, 4-sided pyramid shape which makes it ideal for detail concealer blending. Perfect for applying and blending concealer in hard-to-reach areas of the face, this brush is a must-have for concealing under the eyes and over spots, crevices, or scars. Dense, pointed concealer brush for applying and blending concealer under the eyes and over imperfections Use with liquid, powder, or cream formulas Provides medium to full coverage Made with patented waterproof technology to ensure the handle and ferrule never separate over time Ultra-soft synthetic fibers are designed to better hold, apply, and blend all product formulas 100% cruelty-free and vegan