BL Mach Glue 5ml & 10ml Advanced formula Mach Glue for lash artists with fast hands, sets extensions in a stunning 1 second. Perfect for those seeking increased revenue from short application time. The fast-setting nature of this adhesive can prove challenging if you take too long to attach a glued extension to the natural lash. Glue may half-dry before you get the natural lash attached, resulting in shorter retention times.( with this glue you must isolate the natural lash before applying glue to the extension lash) *As a consequence, we strongly suggest that this glue is used only by expert lash technicians.   Mach Glue is the newest glue from BL (Blink). It has the fastest setting time, and he longest retention time. Mach has a newly designed bottle for easier disbursement and protection against the lid sticking shut.   High performance Thin, liquid-like consistency Setting Time: 1~2 second Retention: 7+ Weeks Technician Profile: Experienced, fast technicians Client Profile: Average tolerance to glue fume & odors Techniques: Classic & Volume 5ml & 10ml sizes available