Cryo-sclerotherapy is a treatment that eliminates varicose veins and small capillaries gradually. It comprises introducing into the capillary a sclerosing product at a temperature around -40ªC. With this capillary hardening is achieved and thus the small capillaries microvarices and lower extremities are removed. This treatment is achieved not only remove the vein for aesthetic reasons, but also can eliminate the heaviness and causing overload veins. With respect to other techniques, the advantage is that subsequent pigmentation left by other sclerosing products are removed.