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Low-Level Laser Light is one of the most effective therapies to treat hair loss. The laser energy used to stimulate hair growth is visible in the red light spectrum. The laser light used in promoting hair growth is defined as Low-Level Laser Therapy (LLLT). LLLT is sometimes included under a broader definition of ‘Phototherapy’ called Low-Level Light Therapy, where the light-emitting device may be a laser and/or light-emitting diode (LED)
Treatment of Male Pattern Hair Loss occurs via Photobiomodulation. LLLT initiates the chemical reaction in the cells that make up the follicle's epithelial matrix causing the proliferative activity. Much evidence points out that follicular apoptosis (programmed cell death) is reversed via the application of laser energy
In treating androgenetic alopecia with LLLT, physicians have found that LLLT is most effective in persons with minimal to moderate hair loss. Individual responses to LLLT differ, and results do vary from person to person.
Hair growth using LLLT is not a one-time ‘fix’ for hair loss. It must be repeated at intervals to maintain results. Typically 3 to 4 sessions per week for 20 to 25 minutes is the suggested treatment frequency, and results usually take approximately 4 to 6 months. Once hair growth is achieved, an ongoing ‘maintenance’ schedule of 1 to 2 sessions per week is strongly recommended to maintain new growth, and keep the hair looking healthier, fuller, and more vibrant.
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