Lash BLVD Prime Time Eyelash Extension Primer is ideal to prep your client's natural lashes and to remove any remaining proteins, build-up and oils after cleansing. The primer prepares the surface of the lash for a better bond with adhesives. Take advantage of this offer and buy in bundle to save. Lash Blvd's top eyelash extensions glue, the pro hold or advance hold. 10 mL glue in bundle.