Why do people have stretch marks?
- Lv 63 months ago
Stretch marks are scars that form when there is destruction of elastic fibers and collagen in the skin, usually caused by a stretching of the skin. The "lines" are formed because of the decrease in thickness of the dermis and epidermis.
- LafawnduhLv 53 months ago
their skin stretches, it leaves marks. most commonly in fat people & women who had children.