Brand New in Box - 100% Authentic - Better price for more quantities, check out my closet for other brushes. By Kevyn Aucoin, The Base/Shadow Brush: Developed with natural hair goat. Unique flat with tapered-shaped tip—this shape is tapered on four sides, and achieves edgeless contouring in small areas such as the sides of the nose or more defined contouring on smaller hollows of the face. Ultra soft hair evenly distributes any powder product and blends effortlessly onto the skin. This brush is versatile in function and can be used as an allover base eye shadow, precise contouring or highlighting. HOW TO USE: Use for applying, blending, highlighting or contouring any powder-based products.