With Nylon + Retinol. Extended wear formula. Extra strength formula. Hardens nails and smoothes ridges. 10 Day shine. Salon tested. Dermatologist tested. You Have: Soft nails that break or peel. Nail color that doesn't last through the week. You Want: Hard nails that won't break or peel. Flawless color that lasts. How It Works: Breakthrough formula nourishes, hydrates and smoothes nails. Retinol and Copper Peptides deliver intense hydration to dry, thirsty nails. Omega 3 and Soy reduce the appearance of ridges and imperfections. Extra Strength Nylon fortifies nails and helps prevent chipping, splitting and peeling. Exclusive Perfect-Glide Brush provides ultra-smooth flawless color. You'll Get: Hard, healthy nails and silky-shiny color that lasts all week long.