Toughen up weak, fragile nails! Reach for Hard as Nails, the original strengthener from Sally Hansen. Our 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 Hansens 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! Step into your always-on salon. No menu. No rules. Americas #1 nail brand, Sally Hansen puts the power of self-made beauty in your hands, with salon-tested solutions and on-trend colors.