Sally Hansen Diamond Strength Nail Hardener, Clear Transparent 45095, 0.45 fl oz. This Sally Hansen Treatment Diamond-Strength Instant Nail Hardener can help stop nails from breaking. It comes in a compact bottle that has a precision tip applicator. This high-powered nail hardener virtually ends cracking, splitting and peeling, while locking in moisture so nails can grow. This Sally Hansen instant nail hardener has a clear finish to leave nails looking natural. In just a single layer, it provides nails with reliable protection that's made to last. This treatment can make a helpful addition to a nail care routine with its quick-drying design. This helpful nail treatment is ideal for use at home or the salon, offering flexibility in its use. Made with a high-powered formula that virtually ends cracking, splitting and peeling. Nail care treatment locks in moisture so nails can grow. Micro diamond and titanium formula. BUY Any 2 Sally Hansen Products GET 1 FREE! Click on See all eligible items and terms on the top left to see all eligible products! Must add 3 Items to Cart for this special to apply!