Advanced Hard As Nails Strengthener Hardener Nail Polish with Nylon NudeWant stronger, smoother nails? Level up with Advanced Hard as Nails® with Nylon from Sally Hansen! This advanced nail hardener helps protect and strengthen your nails while filling in ridges. Our Nylon formula fortifies fragile nails and helps prevent peeling, while natural Omega 3 and Soy help diminish the look of ridges. Apply 2-3 coats on bare nails. Let each coat dry completely before applying the next.Pack size: 13.3ML