To support and maintain the natural growth cycle and lash retention, this clear, lightweight lash serum applies highly effective concentrations of NEW OLAPLEX Peptide Complex TechnologyTM, OLAPLEX Bond Building TechnologyTM, hydrating Hyaluronic Acid, and Biotin to the lash line with each swipe. Get healthier-looking, more conditioned lashes. See the appearance of longer, fuller lashes in as little as four weeks, and in as little as two weeks. Prepare to realize the full extent of your lash potential.