Clinically proven to make skin look 10 years younger, this serum visibly reduces deep wrinkles that can be difficult to treat. This light and silky formula smoothes, firms and visibly reduces wrinkles on both the face and neck in just 4 weeks. With this serum, 100% had visibly more radiant, younger-looking skin. Made with pure RoC ® ? Retinol, America's #1 Most Awarded Retinol*, and our exclusive mineral complex for additional hydration and increased Retinol efficacy. It works to complement the skin's renewal process and bring fresher, younger-looking skin to the surface. The longer you use it, the more dramatic anti-aging results you'll see. Format: 30 ml.