Covergirl Lash Blast Amplify Eyelash Primer is a lash primer that helps create voluminous and dramatic lashes. This primer is designed to be applied before mascara to maximize its effects. It helps to condition and prime lashes, making them appear thicker and more voluminous. The lightweight formula glides on smoothly and evenly, providing a perfect base for mascara application. With this lash primer, you can achieve show-stopping lashes.