What it is: A must-have mascara for clump-free volume, precise separation and dramatic length.What it does: Formulated to help lashes look longer, thicker and fuller without clumping, smudging or flaking. Innovative brush technology features two specialized zones for targeted length and volume.How to use: Sweep mascara from base to root onto lashes for buildable volume without clumping. Style Name:Peter Thomas Roth Lashes To Die For Mascara. Style Number: 301889. Available in stores.