They are sunken, red, sometimes white, longitudinal lines formed from the skin as a result of damage to the elastin and collagen fibers that form the main structure of the skin.
Who Gets Cracks?
Stretch marks are more common in individuals whose skin has less flexibility than in the normal population.
Also, the reasons are:
Sudden weight gain
Growth development period (developmental)
Cortisone use or excessive cortisone release in the body
Which Areas Have the Most Cracks?
Breast (especially in the growth and development period and in pregnant women)
Back (in the growth development period)
Legs and Backs of the Knee Cap
How Is It Treated?
Laser ( fraxel, Er-yag, CO2 )