Sally Hansen Hard As Nails Nail Color Sally Hansen s Hard As Nails Nail Color adds lustrous shine and color to your day. This polish uses a long thin brush for precise control and finishes off with a brilliant shine for added protection against chipping cracking and splitting. Collect them all and change your nail polish as often as you like! Pro-tip: for longer-lasting and better-looking results start with a Sally Hansen base coat followed by two-three coats of color. Allow each layer to dry and finish with a top coat making sure to wrap the nail tips with each layer.