Our skin is our body's largest organ and it produces collagen every day. It is reduced at a rate of about 1.5% a. After the age of about 25-35, our bodies produce less collagen.

These periods of growth tend to damage the elastic fibers inside the skin, deep beneath the skin surface. A natural protein, collagen acts like a glue and is the body's major support structure. Stretch marks are fine scars on your body that start out as pink, reddish brown, brown, or very dark brown or purple streaks.

And while they are more com in girls, guys can get stretch marks, too. When young people are going through hormonal fluctuations during puberty the skin is pulled by the rapid growth or stretching.

Without it we would literally fall apart. Girls will notice these marks on their hips, breasts, thighs and abdomen. This essential protein gives the skin 90% of its volume. These marks are not harmful to your health - they will gradually begin to fade over the years becoming a pale white shade, lighter than the surrounding skin.

Overstretching reduces the production of collagen in our skin, normally very elastic and resilient.