Even as fibroblasts are producing new collagen, collagenases and other factors degrade it.

While old collagen is broken down and removed new collagen is produced.

Researchers have found that smoke causes a marked reduction in the production of new collagen.

A lack of new collagen results in the development of wrinkles.

It can reduce sun damage like fine lines and brown spots and stimulates the growth of new collagen, which improves skin tone.

The new collagen helps decrease the appearance of facial creases and wrinkles.

The body responds to each treatment by producing new collagen and epithelium.

The new collagen, in turn, bulks up the skin.

This prescription retinoid works by increasing the production of new collagen.

Studies show that smoking interferes with the body's ability to produce new collagen and also leads to premature wrinkling.