What it is: Hydrates aging nails and smoothes unsightly deep ridges while preventing brittleness and breakage. What it Does: Replenishes and levels the nail plate with a special blend of strengtheners, conditioners, micro-fibers and natural fillers. Mica boasts natural reflective properties that help fill in extremely deep ridges and conceal imperfections. Yucca, the natural plant extract helps moisturize and reduce inflammation. Creates an ultra-smooth base allowing for maximum adhesion of nail polish.