Stretch Marks
Stretch Marks — narrow, streak-like lines that form when skin is stretched rapidly and its underlying support structures are disrupted. Known medically as striae, they often start reddish or purple and gradually fade to a paler, slightly indented silvery tone.
Key points
- They commonly appear during growth spurts, pregnancy, rapid weight change, and periods of intense muscle gain.
- Stretch marks form in the dermis when collagen and elastin fibers tear as the skin stretches faster than it can adapt.
- Fresh marks with a red or purple hue tend to respond better to treatment than older, white ones.
- Options like topical retinoids, moisturizers, and in-office procedures may improve appearance but rarely erase stretch marks entirely.
Frequently asked
Do stretch marks ever go away completely?
They usually become less noticeable over time as the color fades, but the textural change is a form of scarring and typically does not disappear entirely, even with treatment.
Can creams prevent stretch marks during pregnancy?
Evidence that any cream reliably prevents stretch marks is limited, though keeping skin moisturized may improve comfort and the risk is strongly influenced by genetics and how quickly the skin stretches.
Related topics
This is a foundational entry in the SYNC Skin Encyclopedia and is expanded over time. Educational information only — not medical advice.
