Repair Mode Bond Building Nail Serum - Features*When used as directed9-FreeMeet the first ever bond-building nail serum with Patented Ulti-Plex Technology that penetrates the nail surface to build new bonds from within. The result? 99% nail keratin repair* and stronger, smoother nails. Mic drop.Nails look improved after the first application, and with continued use, you can expect smoother, stronger nails that are resistant to breakage and an improved appearance of ridges and color. It's repair like never before.4x stronger nails in 6 daysFormulated WithoutTolueneDBPFormaldehydeParabens - Repair Mode Bond Building Nail Serum