DUO Strip Lash Adhesive in is the lash glue of choice for many professional makeup artists and lash addicts around the world. DUO is the USA's top selling lash glue. DUO adhesive is easy to apply and boasts a long lasting formula. It dries clear and offers a firm hold - your strip lashes will remain in place all day (or night!) Suitable for use with any strip lashes; this glue is unbeatable in terms of price and performance.