Have beautiful nails at your fingertips with OPI's award winning range of nail treatments - products that are renowned for results, time after time. Strength is beauty and OPI delivers strength with its range of Nail Envy natural nail strengtheners. OPI's top-selling hero product for weak or damaged nails... Application is simple. Apply two coats to your bare nail and then apply one coat every other day to maintain your treatment. You can also use Nail Envy over lacquer so there are no excuses for not getting nails to envy! For weak, damaged nails. Strengthens with wheat protein and calcium. For harder, longer, stronger nails to envy! Strong, beautiful, nails are everyone’s dream - a dream that can become reality with the complete range of OPI Nail Treatments, endorsed by salons worldwide every day.