The skin tissue in some parts of the body is overstretched due to reasons such as pregnancy, sudden weight gain and loss, increased hormonal activity during puberty, rapid height gain, excess weight, playing basketball or volleyball. This stretching causes damage to the elastin and collagen fibers in the skin, leading to tears in the lower layers of the skin. Stretch marks, which are seen not only in women but also in men, create a wavy, undesirable appearance on the abdomen, hips, chest, arms and legs, reducing self-confidence and life motivation. Fortunately, today, all over the world, the product of modern medicine and technology biodermogenesi (bi-one) Thanks to the application, stretch mark treatment is carried out in a healthy and comfortable way.