O•P•I NAIL ENVY NAIL STRENGTHENER WITH WHEAT PROTEIN & CALCIUM • Original Formula Nail Envy Maximum Strength is made to give you harder, stronger, longer natural nails. • The OPI Nail Envy Original Formula was made to prevent peeling, splitting and cracking. • Makes even the weakest of nails, strong and ready to take on the day. • Formulated with calcium and hydrolyzed wheat protein to strengthen the nails. • OPI Nail Envy also helps your nails to grow consistently and stronger than ever! New in box 15 ml (0.5 fl oz)