SkinMedica Retinol Complex 0.5 renews the skin and diminishes the appearance of fine lines. This product also enhances skin tone, texture and resiliency. The retinol helps reduce wrinkles, age spots, fine lines and other skin discolorations. Retinol Complex 0.5 also contains ingredients like antioxidants which both soothe and minimize any irritation that retinol might cause. They will also help prevent any new signs of aging.