What can ruin our body image just as easily as cellulite? If your answer was stretch marks you are correct! Stretch marks look like small white scars under the skin. Why do these tiny scars appear? They are caused when the internal layers of your skin are ruptured. When stretch marks initially appear they will be reddish in color. This is not a good thing, but it does allow you the opportunity to heal your damaged skin before they become permanent stretch marks. These reddish lines are a sign that your skin has not completely separated yet. However, when your stretch marks turn while they are cicatrized.