Now with exclusive Collagex-CE Wrinkle Repair Complex™, the new SD Advanced formula harnesses the latest advances in skincare science. It targets Collagen III, youth collagen, to help restore elasticity and dramatically reduce the appearance of lines and wrinkles. In fact, new SD Advanced is a proven collagen booster, clinically tested to increase collagen types I and III for younger looking skin. Address the key signs of aging at the source, immediately and over time and transform the look of your skin starting in 15 days. SD Advanced goes beyond wrinkles to help transform the look of stretch marks, too.