Diminish the appearance of fine lines, wrinkles and achieve smoother, former, more evenly toned skin. This clinically proven All-Trans-Retinol medical grade serum pairs a patent pending delivery system with soothing Green Tea Polyphenols to effectively deliver Retinol into the area without irritation. This also contains Hyaluronic Acid which assists in skin hydration and barrier function. Caffeine enhances overall antioxidant activity and helps diminish signs of redness. This is a far more potent Retinol than that found in other over-the-counter and high-end brands. We are happy to give you information comparing us to other well-known brands. We start you on this this 5X formulation and then build you up to 10X, the stronger of our two Retinol serums.