Introducing the first bond-building nail serum featuring Patented Ulti-Plex Technology™, which penetrates the nail to form new bonds from within. This results in 99% keratin repair* and produces stronger, smoother nails. The Ulti-Plex Technology™ works by rebuilding the keratin structure inside the natural nail. If you want to reset nail damage or prevent it from daily activities, choose Repair Mode™. This groundbreaking serum reprograms nails, delivering 99% keratin repair*. Improvement is visible after the first application and continued use yields smoother, stronger nails that resist breakage and show fewer ridges and discolouration. It's repair like you've never experienced. *When used as directed.