Stretch marks are mainly created by the disorder of the elasticity in the skin. The predisposition, the excessive increase of body weight, the disease of diabetes e.t.c , also play an important role in creating stretch marks.
As a result, there are cracks on the hard parts of the foot.
These cracks appear on parts of the skin that are subject to the most pressure, like mainly the front part of the sole. (The heads of the metatarsals and on the heel)
These parts need special care by an expert Podologist that not only does she removes the hard parts but she also gradually improves the appearance of the foot.