Stretch marks occur when the elastin and collagen binding the skin tears as a result of weight gain. Stretch marks can vary in size, shape, color and texture. But, all stretch marks have something in common - they are unwanted. TriLastin SR Stretch Mark Complex works to prevent and diminish the appearance of stretch marks by maximizing the skin"s elasticity with a blend of nourishing and strengthening ingredients. Perfect for stretch marks caused by pregnancy, body building, puberty and other times of weight gain. Using a proprietary complex of 11 proven bioactives, it can visibly reduce the length, width and depth of your stretch marks, resulting in a more even tone and texture.