Dare to go bare with Sally Hansen's new Repair + Rescue treatment collection. A skincare-inspired, clinically and consumer tested collection that visibly improves the overall appearance of your nails. Sally Hansen's new Repair + Rescue Super Strength Defense will instantly fortify and is clinically and consumer tested to strengthen fragile nails in just 1 week*. This strengthener, containing Amethyst, imparts a flexible, protective barrier onto the nails, helping nails feel harder, stronger, and resistant to breakage while enhancing the nail's natural appearance.