What is laser hair removal

Most of our body is covered with hair, but because it is fine and blond it is not visible. Despite this, in some areas the hair appears dark and thick, which is seen as something unaesthetic and that we want to eliminate.

Traditional hair removal methods are temporary, so the most effective solution at the moment is laser hair removal.

Purpose of laser hair removal

Laser hair removal destroys hair through light. Each laser generates a wavelength of light that determines the depth of its penetration. Depending on the color of the skin, the interaction of the laser with the tissue is different.

Laser hair removal consists of heating the hair follicle between 60 and 100º C, destroying the bulge and the papilla, which is located between 1.2 and 7 mm. below the skin and avoiding damage to the surrounding tissue. This is known as selective photothermolysis.

Factors to consider in laser hair removal

When the laser is applied, only the follicle and its anatomy are carbonized. To achieve this, the following factors must be taken into account:

  • Choose the laser with the appropriate wavelength for the melanin of the follicle, taking into account that only these chromophobes are the ones that absorb the light.
  • That the spot size is large enough so that the confluence of the rays is deeper and the target is reached, being able to treat several follicles at the same time.
  • That the energy is high enough, as well as the pulse duration long enough to achieve long-lasting hair removal.
  • That the epidermis is effectively protected. As each follicle is of different color, thickness and location, the energy is not absorbed effectively and will lead to having to repeat the process more than once.
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There are many centers that offer laser hair removal, so there are many equipments that have been created to perform it. The great variety of centers and technology make it more difficult to choose the right one. If this hair removal is done with medical laser, it is necessary to make a previous medical assessment, a control and a follow-up during the treatment.