DEEP WRINKLE SERUM 1.0OZ. Benefits: Made with pure RoC Retinol, America's #1 Most Awarded Retinol*, and their 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. Clinically Proven. Features: Dermatologist tested. Mineral Complex. Non-comedogenic. Paraben-free. Research Results: IN 4 WEEKS: Visibly reduces wrinkles on face & neck. IN 8 WEEKS: 97% had an overall improvement in photodamage. 100% had visibly radiant, smoother looking skin. IN 12 WEEKS: 89% had a visible reduction in deep wrinkles.