Clinically proven to make skin look 10 years younger, this serum visibly reduces deep, set-in wrinkles that can be difficult to treat. This light, silky formula visibly smooths, firms and reduces wrinkles on both the face & 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 & enhanced Retinol efficacy. 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 will see. *Based on a 3rd party study using publicly available data sources from publications and media sources hosting beauty awards since 2010* PROVEN RESULTS: IN 4 WEEKS: - Visibly reduces wrinkles on face & neck. IN 8 WEEKS: - 97% had an overall improvement in photodamage. - 100% had visibly radiant, younger-looking skin. IN 12 WEEKS: - 89% had a visible reduction in deep wrinkles.