One MAC Cosmetics In Extreme Dimension 3D Black Lash Mascara in Black 0.14 oz/4g Lightweight whipped carbon black formula adds dense volume, extends length and creates curl, while conditioning for softness and flexibility. The gigantic moulded brush stores the optimal amount of mascara in three reservoirs that allow for the maximum amount of mascara with each stroke, while keeping the lashes from clumping together. The tip of the brush allows for precision in accentuating lower lashes.