During growth, during pregnancy or after significant weight gain, the skin is subjected to tension which causes the appearance of stretch marks; streaks that we know take the appearance of fine scars. In both men and women, stretch marks are common and without major health risk. 80% of women have this type of scars on the body and during the first pregnancy between 50 and 70% of women see stretch marks appear at the end of pregnancy. Appearing mainly on the stomach, buttocks, breasts, arms at biceps, knees and thighs, stretch marks are a sensitive subject, surrounded by gossip. We take stock!