Safe, Instant and Effective removal of facial veins. ThermaVein is the gold standard for facial vein removal. Thread Veins, medically known as Telangiectasia, and Vascular Blemishes are a very common problem that can affect all ages. There are a range of reasons for their appearance which include water, diet, hereditary, pregnancy, genetics and age. ThermaVein technology has been widely used in the Medical World for many years and has only recently become available to the wider market. The treatment of this condition using ThermaVein is safe instant and effective.