I thought I was a rare case when I found out I had stretch marks around my hips and ass. But then being around here I discovered many many people have them.
Why is it so common?
Most Helpful Girl
They're common because humans tend to get them and we are all human. It happens due to growth spurts, weight (fat or muscle) gain, pregnancy- anything that causes your skin to literally stretch. When the skin stretches relatively quickly, it doesn't have time to grow normally to make up the extra space, so it produces scar tissue.1