​Blinc's black lash primer delivers the ultimate base of lash fullness and thickness, while giving your mascara a true black finish. Vitamins and nourishing ingredients impart long lasting moisturization and conditioning to protect lashes from damage and environmental stresses. Prior to applying mascara, build as many coats as desired within 60 seconds to immediately thicken and lengthen lashes. Comes off with any makeup remover.