DUO Clear 2-in 1 Brush on Adhesive 656962-in-1, Clear And Dark Lash Adhesive. Better together! This innovative dual-ended DUO adhesive offers both clear and dark finish. Dark adhesive looks like youre wearing liner when it dries, while the clear one blends well with your eyelashes giving you a more natural look.Quick-drying & Non-greasy. No more waiting! Its smooth formulation gives flawless lash finish and blends effortlessly with lashes to give an all-natural look in less than a minute! Comes with an ultrathin brush for precise, quick fake lash application.