Diathermy depilation is the permanent removal of unwanted hair using a short-wave diathermy current.

This current creates heat, which is delivered to the hair at the root. The heat dries up all the moisture, living cells and blood supply at the root of the hair, thus destroying it.

See video

Each hair grows in a structure known as a hair follicle. The root of the hair sits at the base of this follicle. To target the heat created by the treatment at the root of the hair, a minute probe or needle is inserted into the follicle. Once it is in place, the current is activated for 1 or 2 seconds.

This treatment requires skilled therapists who can deliver an accurate, smooth insertion into the follicle these skills are necessary to obtain maximum effect reducing the hair growth and minimizing skin trauma. The initial consultation will involve the therapist assessing the skin condition and the hair growth of concern. The treatment plan will be identified for the client's individual needs. It is important that a client is confident with the therapist and the hygiene procedures. Individually pre-sterilized needles should be used for every treatment.

Treatment is often recommended every 7 - 14 days; this will vary depending on the area and skin type.

Although this is classed as a permanent removal of hair, the result is achieved over a period of time. The hair cycle of growth involves three stages; one of these stages is the active stage and is the ideal stage to be destroyed. Whilst the hair is resting or breaking down the treatment is not so successful. The therapist cannot change the cycle of growth therefore a number of insertions will automatically have to be repeated as the hair moves through the growing cycle. Regular treatments will ensure the hairs are all treated over a period of time. It is important to remember that a high percentage of hairs are in the growing stage at one time.

Skin sensitivity must also be considered; therefore hair growth is often destroyed in stages ensuring the skin does not suffer any unnecessary trauma.