Introduction and description of the problem -- What is aging? -- The role of oxidative stress in general aging process -- Basic information about skin -- General overview of skin aging : extrinsic (external) and intrinsic (free radical mediated internal) factors -- Mechanisms of skin aging, UV & photoaging -- Skin, free radicals, and antioxidants -- General overview of antioxidative protection -- Antioxidant prevention of damage induced by extrinsic factors -- Can antioxidants as dietary supplements offer appropriate protection against ROS-induced damage? -- Methodology for the detection of oxidative state in biological systems -- Alternative methods of decreasing oxidative stress and retarding aging process -- The role of telomeres in skin aging -- Hormones and skin aging -- Topical treatment of skin aging -- Skin curative approaches -- Conclusion.