Galvanic and thermolysis are often combined in a method known as blend, developed by Arthur Hinkel in 1948, which uses both RF and direct current, combining many of the advantages of galvanic and thermolysis.
The blend method, also called dual action method, is the combination and simultaneous use of galvanic and thermolysis techniques.
This combination method alleviates the shortcomings of each of the individual techniques, while bolstering their advantages. By doing so, blend electrolysis incorporates the high kill rate associated with the galvanic method along with the swiftness found in thermolysis.
It is especially useful in treating the deep, course hair follicles that typically make up the beard.
Basically, most of the blend's capacity for destroying the hair growing cells is accomplished by way of chemical decomposition. That destruction, as indicated previously, is through galvanically produced lye. But unlike galvanic on its own, this combination current reduces the normal two-minute duration down to about 10 seconds.
The high frequency current that is used to produce a cooking action with thermolysis is instead used with the blend mainly as an accelerant. This is attributed to three separate actions:
- Increased Causticity - heated lye is considerably more caustic.
- Porosity - the tissue very close to the needle is turned into a porous mass through which the heated lye solution can easily diffuse.
- Agitation - rather than working its way through the tissue by diffusion, the lye surrounding the needle is spread by agitation. This turbulence sends the hot lye solution into every area in the hair follicle and around the hair shaft.
This spreading action is also very important when one considers the need for properly destroying the undifferentiated cells found slightly higher up in the follicle, called stem cells, that are responsible for new hair growth. Additionally, the blend is able to successfully treat curved and distorted follicles along with near-miss insertions due to its spreading action.
Despite all of its technical advantages, blend electrolysis does have a few disadvantages. For some individuals, the galvanic action tends to be somewhat more painful than thermolysis. Proper pain management makes the technique feasible, for example, by using a topical anaesthetic.
As well, administering effective blend electrolysis is a more complicated and involved process, requiring more training and expertise along with more sophisticated equipment.
The video Depicts all the three modalities of Electrolysis - Galvanic, Thermolysis and Blend