Repair Mode is the first-ever bond-building nail serum of its kind. Moving beyond temporary surface-level strengthening, Repair Mode™ penetrates and absorbs into the nail to deeply repair 99% of keratin protein* and build 4x stronger nails in just 6 days. Revolutionary Repair Mode is an essential step to restoring natural nails to their optimal condition. Patented Ulti-Plex Technology™ biomimics the protein structure of the natural nail to repair nails from within unlike anything else on the market to date.