Put the ultimate Super Nutrient Complex, Vitamin C (STAY C) and Rovisome (less abrasive, more effective form of Retinol) to work for you! Vitamin C has been proven to increase Retinol's efficacy while making it that much more stable. STAY C, a potent antioxidant not only known for its instant radiance capabilities but has also been studied on it ability to help the skin receive greater benefits of Retinol. Retinols work by promoting skin cell turnover, allowing for new cell growth. The breakdown of collagen is reduced and skin is thicker at the deepest layer where fine lines and wrinkles begin. Research has demonstrated the two together increase the benefit of each.