What they are
Stretch marks are scars caused by rapid stretching of the skin, often due to pregnancy, weight gain or growth spurts. They commonly occur on the abdomen, thighs or arms.
What they look like
Initially red or purple, they fade to white or silver over time.
Treatment:
Topical treatments with retinoids or hyaluronic acid can improve appearance. Laser therapy or microneedling can reduce visibility.