Stretch marks
Stretch marks are purple-red streaky scars that appear in overstretched skin. Around half of all pregnant women will develop stretch marks (striae gravidarum), usually in the third trimester, as the abdominal skin is forced to accommodate the growing uterus. Some pregnant women also develop stretch marks on the breasts, hips, buttocks and thighs. Another common cause of stretch marks is rapid weight gain. Depending on the skin type, fresh stretch marks can be pink, purple, brown or red. Over time, the stretch marks lose their bright colouring and become silvery, shimmering lines.
Symptoms:
The evolution of a stretch mark includes:
Structure of the skin
The visible layer of skin (epidermis) protects the delicate inner layers. The epidermis is made from several sheets of cells. Epidermal cells born in the bottom sheet push up through the layers to replace old, dead skin cells that are constantly sloughed off the surface. The epidermis also contains melanin, the pigment responsible for skin colour. Beneath the epidermis is the dermis. This deeper layer contains sweat glands, sebaceous glands, hair follicles, blood vessels and nerves. The dermis is made from two types of fibre: elastic fibres (elastin) for suppleness and protein fibres (collagen) for strength.
The overstretched dermis
Skin is remarkably flexible and can stretch substantially if given sufficient time. However, a rapidly growing foetus often means the abdominal skin is stretched further and faster than it can comfortably manage. The overtaxed fibres of the dermis tear at the points experiencing the greatest stress. Another common cause of stretch marks is rapid weight gain. Some people develop stretch marks during puberty, if their growth spurt is particularly fast. Whether or not a person develops stretch marks seems to partly depend on their skin's inherited characteristics. Other causes of stretch marks include corticosteroids and Cushing's syndrome.
Prevention of stretch marks
Research is contradictory. Most studies maintain that creams and lotions can't prevent stretch marks, but some trials have found significant successes with certain creams. Prevention suggestions include:
Eat sensibly to avoid gaining excess body fat.
Eat a highly nutritious diet to maintain the health of your skin.
Wear a supportive maternity bra throughout pregnancy.
Consider using creams such as Magia Bella Anti-Stretch Mark Concentrate that include centella asiatica extract, alpha tocopherol (vitamin E) and collagen-elastin hydrolysates
Treatment of stretch marks
Recent American studies found that stretch marks can be reduced with laser treatment and the regular application of creams containing retinoic acid or Retin-A for example, SkinMedica TNS Body Lotion. It must be stressed that retinoic acid should not be applied to the skin during pregnancy. There is currently no information on whether using retinoic acid is safe during breastfeeding. Another approach is to simply wait for the stretch marks to fade by themselves.
This cream is as good as they say?
Posted by: antiaging | December 03, 2004 at 06:55 AM
How do I get stretch marks off, not by surgery, but by any household creme?
Posted by: Sabrina | March 15, 2005 at 06:37 PM
Never tried surgery, but have tried StriVectin-SD. I feel like it helps a ton.
Posted by: Jillian | March 15, 2005 at 08:01 PM
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