What is the preparation that prevents the appearance of pregnancy cracks?

It is not the answer you are waiting for, as there is no cream that prevents the occurrence of pregnancy cracks because the amount of rubber and elastic collagen fibers is genetically determined, and if they are not present, there is no cream, ointment or preparation that implants them in the skin to prevent its cracks...
But you can relieve itching caused by cracks by using any moisturizing cream such as Vaseline, Nivea or olive oil (without thyme, of course), and avoiding significant weight gain will reduce its occurrence…
And of course, a few months after giving birth, its residual effects can be removed with a laser