Stretch marks or striae (the medical term) are streaks of long thin scars that appear on the skin. They might occur in different colors depending on the individual and can also change color over time. Stretch marks are irritating when they occur in masses.

These stretch marks occur when your skin is stretched beyond its natural limit. This could be a result of weight gain, rapid weight loss, or even rapid growth. Stretch marks are more common in women, but can also appear on men.
These https://theornatelife.com/pro-effective-ways-to-easily-fade-stretch-marks/ can help your skin appear smooth again.