What it is:A medium sized contouring eyeshadow brush.What it does:Crease Brush is perfect for applying eyeshadow to the crease or contour of the eye.What else you need to know:Hourglass designed the makeup brush collection to be luxuriously soft, PETA-friendly Takelon brushes for a truly luxurious makeup experience. Takelon bristles are formulated from high-grade synthetic fibers to maximize product application and avoid potential allergic reactions to animal fur and promote the use of non-animal products. Gently clean brushes with mild soap and water. Hourglass products are 100 percent cruelty-free.