Nail Envy Nail Strengthener Original Formula

Nail envy nail strengthener original formula by opi provides maximum strengthening with hydrolyzed wheat protein and calcium for harder, stronger, natural nails! Ideal for weak, damaged nails. (results are based on variables, each ones desired results, correct application, type of work you do. On average, you should begin to see growth within 2-3 weeks, however, everyone's nails grow at a different rate.)