The natural lashes you’re meant to have are just weeks away with Olaplex's LashBond Building Serum. Just one 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. The clear, lightweight formula helps to enhance your natural lashes while promoting the appearance of thicker, longer and stronger lashes. This ophthalmologist tested formula is formulated with OLAPLEX Peptide Complex Technology™ and enhanced with hydrating Hyaluronic Acid and Biotin to support longer-lasting lashes, which increases the appearance of lash density. Compatible with the use of contact lenses, lash lifts, lash extensions, and false lashes, this non-irritating, conditioning formula is also prostaglandin free.