Hair Removal: Electrolysis
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Hair Removal: Electrolysis Hair Remvoal Description

What is electrolysis? Electrolysis is the destruction of living tissue, especially of hair roots, by means of an electric current applied with a needle-shaped electrode. It is a process to destroy the cells responsible for hair growth. This is done by inserting a wire/filament called a probe and sometimes referred to a needle into the hair follicle. The patient will not feel the insertion and there is no pain associated with this. Once the probe is in the hair follicle, the electrologist delivers a low electric current to destroy the follicle and papilla. Although hair itself is dry, below the surface of the skin it is immersed in a watery environment with a high mineral content. The electrical current from the needle causes a chemical reaction and turns the water and salt in the hair follicle into sodium hydroxide (NaOH), which is an extremely corrosive alkali. There are a variety of methods to achieve destruction, but all use low electric current.

There are 3 types of electrolysis. They are:
  • 1. Galvanic Method - When a DC current passes through the needle causing a chemical reaction in the hair follicle which produces sodium hydroxide, also know as lye, which destroys the hair follicle.
  • 2. Thermolysis Method - When an AC current passes through the needle causes vibration in the water molecules surrounding the hair follicle which produces heat. (Similar to the principle behind a microwave oven.) The heat damages the hair follicle. This method is much faster but less reliable than galvanic electrolysis. Thermolysis is also known as 'short-wave radio frequency diathermy'.
  • 3. Blend Method - This method tries to combine the benefits of the galvanic and thermolysis methods by passing an AC and a DC current through the needle at the same time. It is much quicker than the galvanic method.
Some drawbacks to the electrolysis method are:
  • The insertion of a needle into the skin over and over again can be quite painful.
  • Treatment with a needle also requires a high degree of skill, the technician must guide the needle very accurately to reach the bottom of the hair follicle.
  • Penetrating the skin with a needle also increases chances of infection.


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