The natural lashes you're meant to have are just weeks away. Discover the power of lash science from the hair experts. Just a swipe of LASHBOND Building Serum morning and night delivers a powerful lash-enhancing triad in a highly effective concentration to support and sustain the natural growth cycle and lash retention. Experience more conditioned, healthier-looking lashes in as little as 2 weeks. Key ingredients: NEW OLAPLEX PEPTIDE COMPLEX TECHNOLOGY - A proprietary peptide blend featuring an OLAPLEX-exclusive peptide that supports the natural growth cycle and lash retention for the look of longer, thicker, stronger, and fuller lashesin as little as 4 weeks. OLAPLEX BOND BUILDING TECHNOLOGY - Supports the skin barrier at the lash line. Healthy skin supports a better environment for natural lash growth. NOURISHING COMPLEX - Hyaluronic Acid and Biotin promote healthy-looking, nourished lashes and reduce the feel and appearance of dry, brittle lashes. Dip the brush once and apply to the skin along the upper lash line on both eyes. Do not wash off. Allow to dry for at least 90 seconds before applying other eye products. There's no need to apply to the lower lash line.