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Electrolysis or electrocoagulation (sometimes called diathermy) is the passage of an electric current through the skin from a needle causing heat to be generated.
It is essential that the person performing the treatment is well trained in the advance use of electrolysis to ensure that the depth of the burn is correct to treat the blood vessel with minimal damage to the skin.
When treated to the right depth, the heat produced by the electrolysis current destroys the blood vessel. This then heals by fibrosis meaning that the blood vessel is gone permanently. Although other vessels can form, the treated vessel destroyed by heat will never re-open again.
If the treatment depth is incorrect, the skin may be burnt in a small patch. This is often seen as the skin going opaque and the blood vessel is hidden beneath the burnt patch. In this case it appears that the vein has been treated but when the skin heals, the blood vessel is still visible unscathed.
The advantages to electrolysis as a means of treating thread veins is that in trained hands, it is very effective and due to the nature of the machinery used, it is usually the least expensive way to treat this condition.
In addition another advantage is that it is almost impossible to permanently scar the skin using the correct treatment and so, in trained hands, is a very safe way to have this condition treated.
The disadvantage of electrolysis is that each vein has to be treated in turn by following along the vein and treating it at regular, very small intervals. As such the treatment can take a very long time and so in one session only relatively small patches can be treated.
Usually one can see about a 60% improvement of the treated area after one treatment session and so for people with specific areas of thread veins on their face or around their nose, it is an ideal way to get rid of them over a number of sessions.
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