Sally Hansen Hard As Nails Nail Polish that will see you through your everyday adventures. Strengthening Formula with Pro-Vitamin B5 and Green Tea protects against chipping cracking and splitting. Nail color covers in just one coat brilliantly. The Perfectionist Brush contours to any nail so color always glides on precisely quickly flawlessly. And the exclusive Flexiglass Complex combines beautiful brilliant shine and super-strong wear. So simple so Sally.