Meet the first ever bond-building nail strengthener treatment serum with Patented Ulti-Plex Technology™ that penetrates the nail surface to build new bonds from within to repair and strengthen damaged nails. The result? 99% nail keratin repair* and stronger, smoother nails. BENEFITS: OPI nail strengthener for damaged nails offers a vegan formula with no animal-derived ingredients or by-products. HOW TO USE: Repair Mode is designed to be used on bare nails or to be applied as a prep booster prior to a nail service. For full benefits and bond restoration apply 1 coat, 2x a day for a minimum of 6 days. It is designed for long-term use to combat nail damage. You can also use Repair Mode™ as a Prep Booster with your OPI nail varnish shades or Nail Envy® Nail Strengthener. Apply 2 coats of Repair Mode™ to clean, bare nails, and prep those nails prior to lacquer application.