Strivectin SD Advanced Intensive Concentrate For Wrinkles And Stretch Marks 4.5 Oz. Formulated with Collagex-CE Wrinkle Repair Complex this hydrating moisturizer harnesses the latest advances in skincare science to target Collagen III also known as youth collagen for even more powerful anti-aging results. A series of scientifically-designed studies proves the following effects: Significantly reduces the appearance of fine lines and wrinkles; Targets youth collagen and elastin for healthy younger looking skin; Hydrates and visibly enhances skin texture; Strengthens the skin barrier to maximize skin performance. SD Advanced goes beyond wrinkles to help transform the look of stretch marks too.