It involves the use of a transiluminator that helps identify the venous wall, followed by disinfecting the skin with an antiseptic solution, then injecting these venectasia with extremely fine needles, leaving a surplus of substance in the injected vessel. Using sterile compresses press on the injected vessel to achieve hemostasis. After the procedure, at the injection site, the skin is temporarily inflamed (red) due to the surplus substance that produces a minimal skin lesion. After the procedure it is recommended to apply creams with re-epithelial effect, administering an oral venous tonic, wearing compression stockings for one month.