This treatment is built with two steps, using the red light and Yellow LED. Laser or Light therapy is one of the newest treatments for stretch marks that appears to be effective in reducing their appearance. Pulsed dye lasers and intense pulsed light can improve the appearance of stretch marks and increase collagen production over time. Laser stretch mark removal consists of removing striae (stretch marks) via laser resurfacing. It works by removing the outer layer of skin to help restructure the overlying skin. While it can't get rid of stretch marks completely, laser removal help make striae smoother, thereby reducing their appearance.