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Light therapies, including low-level laser and fractional light therapy, excimer and other lasers, are becoming increasingly popular treatment options for patients with hair loss.

Lasers emit light at a wavelength specific to the chromatophore in the tissue, producing a targeted thermal response with minimal damage to the surrounding tissue. The cascade of events after the initial injury is responsible for the observed clinical effects.

Low-level laser therapy (LLLT) was accidentally discovered in the 1960s by Hungarian scientist Endre Mester, who tried to replicate an experiment conducted by American Paul McGuff, who cured malignant tumors in rats with a ruby laser. Mester's laser was less powerful than McGuff's, and although it was ineffective in treating tumors, it was the first time he noticed that a low-level laser stimulated hair growth and improved wound healing. The mechanism by which this occurs is described as photobiomodulation or stimulation of biological processes in the target tissue. This accidental discovery was the basis for the emergence of a wide variety of laser devices.

The device used should depend on the type of alopecia. For patients with androgenetic alopecia, inflammatory diseases of the scalp, cicatricial alopecia (lichen planus or variants thereof, including frontal fibrosing alopecia) and patients after hair transplantation, low-level laser therapy (LLLT) is the recommended option. Laser therapy is commonly used in combination with other treatments, including topical minoxidil, 5-alpha reductase inhibitors, and topical / intralesional steroids.

The exact mechanism of action by which LLLT affects hair growth is still under study, but a number of proposed theories have been developed:

  • LLLT can regenerate miniaturized hair follicles and prolong the anagen phase by stimulating blood flow and key hair growth factors
  • LLLT accelerates cell renewal through the formation of reactive oxygen species and various antioxidants, creating an environment that supports hair growth
  • Has an activating effect on mitochondria, thereby increasing cellular metabolism and hair growth
  • Following LLLT treatment, local inflammation is reduced, which may help promote hair growth

Our the TRICHOLOGY INSTITUTE clinic uses the Theradome PRO LH80 laser hair growth helmet, the latest premium model manufactured by Pleasanton, California. The PRO LH80 is equipped with 80 red light lasers with a wavelength of 680 nm. Scientifically engineered and clinically tested for safety and efficacy, Theradome LH80-PRO is the next generation FDA approved hair restoration device.

The helmet-shaped device is designed to fully cover the scalp. One of the advantages of this design over a comb is that patients simply wear it over the head and the light is evenly distributed over all areas of the scalp. Wearing a helmet for 20 minutes 2 times a week for about 4 months increases hair density and thickness in patients with androgenetic alopecia.

Our experience, which is consistent with data from international studies, shows that LLLT treatment can be beneficial in the case of:

  • complex treatment of androgenetic alopecia
  • during the rehabilitation period after hair transplantation
  • to reduce inflammatory changes in lichen planus and other types of cicatricial alopecia
  • Patients with dark skin phototype (Fitzpatrick V - VI) are more susceptible to side effects of laser and light therapy
  • Topical application of steroids after laser or light treatment can help reduce post-inflammatory pigmentation changes in patients with all skin types and reduce these known side effects in dark-skinned patients.
  • In patients with biopsy-proven scalp malignancies, the use of a laser or light therapy on the scalp is contraindicated, as the deliberate increase in metabolism caused by light can negatively stimulate the metabolism of potentially cancer cells
  • A history of epilepsy is also considered a contraindication, as light of a certain frequency can induce seizure activity
  • Patients should avoid irradiation of the thyroid gland, as it may have a biostimulating effect on the production of thyroid hormones, and direct irradiation of the retina should also be avoided
  • According to the American Board of Laser Surgery, the diagnosis of SLE is an absolute contraindication to laser hair removal, special care should be taken when using LLLT
  • Taking photosensitizing drugs that increase the sensitivity of patients to light limits the use of laser therapy
  • Patients with a history of recurrent herpes infections should be treated with antiviral prophylaxis
  • Lasers and light can be safely used by pregnant women as the maximum penetration is not deep enough to affect the fetus. However, it is recommended to avoid irradiation of the abdominal and intravaginal areas.



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Hello, my name is Miroslava, I am the administrator of the "Trichology Institute".

Every day I talk with patients who have chosen our clinic and help them to agree on the appointment time, recieve information about the cost of procedures and assist in organizing their visit. Our team has employees who speak Ukrainian, Russian and English, who, if necessary, will gladly help you.