Toughen up weak, fragile nails! Reach for Hard as Nails ®, the original strengthener from Sally Hansen. The unique blend of Film-formers shields nails, for long-lasting protection against chipping, splitting and cracking. When you want your nails to grow longer and stronger, Sally Hansen's Hard as Nails ® is here to help! Apply to bare nails and under nail tips. Use Hard As Nails ® alone, or wear as a strengthening base coat for your nail color. A must-have for every mani kit, Hard As Nails ® from Sally Hansen is the original nail clinic in a bottle! ® Get longer, stronger nails that shine!