More information about Lashbond Building Serum from Olaplex Get the look of longer, fuller and more lifted lashes in as little as 4 weeks with Olaplex Lashbond Building Serum! This highly-concentrated, clinically-tested lash serum with NEW OLAPLEX Peptide Complex Technology™ and OLAPLEX Bond Building Technology™ supports the natural lash growth cycle and promotes lash retention. Hydrating hyaluronic acid and biotin ensure conditioned and healthy-looking lashes. The serum has been ophthalmologically tested and is suitable for contact lens wearers. It is compatible with the use of lash lifts, lash extensions, and false lashes.