Hair Regrowth and Increased Hair Tensile Strength Using Low Level Laser Therapy

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The authors wished to confirm the efficacy of low level laser therapy (LLLT) using a Hair-Max LaserComb for the stimulation of hair growth and also to determine what effect LLLT with this device had on the tensile strength of hair. Thirty-five patients, 28 males and 7 females, with androgenetic alopecia (AGA) underwent treatment for a six-month period. Both the hair counts and tensile strength of the hair were affected very beneficially in both sexes in the temporal and vertex regions, with the males and vertex areas showing the most improvement.

ALTHOUGH LOW-LEVEL LASER THERAPY (LLLT), the therapeutic application of low-energy lasers to medicine, has been used for photobiostimulation for more than thirty years now, in the past it has primarily been used to accelerate the healing of burns or wounds, or alternatively, to ease or relieve pain. Furthermore, LLLT has gained credibility and common usage in some parts of the world, such as Japan, the Scandinavian countries, and Australia, while in other parts of the world, such as North America, a lack of recognition of its efficacy has remained.

Even though there are more than 2,500 papers related to LLLT in the scientific literature,(1) only one printed reference, Professor Pekka Pontinen’s text, was found which actually discussed the use of LLLT “to stimulate hair growth.”(2) Even in this source, the information was limited to one paragraph, which refers to…

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