Strengthens and protects thin and fragile nails in two phases. Its specific formula was designed to provide resistance to nails. Nail Shield creates a powerful physical protection to shield nails from daily tasks and other harmful elements.Phase 1: base composed of nylon fibers that form a protective network and reinforce fragile nails.Phase 2: uniformizer that smooths the nail surface. A true protective shield against any external impact.Once the nails are protected, you can combine with other treatments such as Mavala Scientifique or Nailactan. From there, the nail regenerates and strengthens on its own.