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 Bi-Phase Revitalizing Serum is clinically proven to improve moisture levels and provide daily hydration. Sally Hansen's new Repair + Rescue Bi-Phase Revitalizing Serum immediately increases moisture levels and provides daily hydration with continued use. This serum, containing Glycerin and Grapeseed Oil, is clinically proven to improve skin hydration levels by more than 65%.