Sally Hansen Diamond Strength Nail Hardener is a high-quality nail care product that is perfect for anyone looking to strengthen their nails and prevent them from breaking, cracking, or splitting. This nail hardener features a real micro-diamond and titanium formula that provides long-lasting protection and strength to your nails. You can use it alone or as a basecoat before applying your favorite nail polish. With a size of 0.45 fl oz (13.3 ml), this nail hardener is perfect for on-the-go touch-ups. Say goodbye to weak and brittle nails and hello to strong and healthy nails with Sally Hansen Diamond Strength Nail Hardener.