Alpha-H has spent a decade developing a system of therapeutic cosmeceuticals which target the key factors of ageing as they manifest in the different layers of the skin. These formulas are now available for the first time in a unique three-stage course of night time treatments.... the Liquid Gold Skin Perfecting System. Each formula: Liquid Gold Prep & Prime Liquid Gold Original & Liquid Gold Radiance harness the unique corrective effects of pharmaceutical grade Glycolic Acid herbal extracts & antioxidants to provide overall renewal of the skin. Liquid Gold products are free from detergents parabens kojic acid hydroquinone artificial fragrances & colours.