The Louise Young LY38 Tapered Shadow Brush is designed for precision blending, particularly in the eye crease. It has a small, tapered head with natural bristles, making it perfect for both detailed shadow application and creating depth in the crease. Known for its softness and flexibility, the LY38 holds its shape well over time, ensuring smooth blending and an airbrushed finish. This brush is popular among makeup artists for its versatility and quality. Best crease brush! Circa 2010 pixiwoo beauty craze ;)