Add length and volume to your wink naturally with Duralash Single lashes by Ardell. These professional quality single lashes can last from up to six to eight weeks with quality semi-permanent adhesive. Duralash Regular eyelash extensions are weightless on your natural lashes, and are applied on a lash-by-lash basis for a completely natural look. These must-have lashes will instantly transform your look from ordinary to extraordinary in seconds.