Fiber laser hair removal machine
Laser Selective Photothermy effect plays a decisive role in hair removal. As the fundamental theory for Diode Laser’s hair removal function, Laser Selective Photothermy makes the target tissues (melanin in follicle and hemoglobin in hair papilla nutrient vessels) shows perfect absorbency to specific wavelength. Treatment time for each pulse should be equal to or less than target issues’ thermal relaxation time. Thus photothermy effects will be limited in target issues, and prevent thermal energy’s damage to surrounding tissues. At the meantime, hair follicles will be effectively damaged and hair regeneration will be prevented. There is also no possibility for the formation of scars. This kind of effect is featured with degeneration of hair follicles, depigmentation of regenerated hair. While the hair follicles in the growing period have full pigmentation, it is easy for them to absorb laser beams in a certain wavelength so as to achieve the therapeutic objective. In consequence, Fiber Coupled Diode Laser Therapy System is safe and permanent for hair removal. With a wavelength of 810nm, Fiber Coupled Diode Laser Therapy System penetrates into the skin with a depth of 2.5mm. Its influences cover hair follicles in different positions with different depths. Scattered in hair follicles stromal cells, melanin will be transferred to hair shaft during the process of hair growth. Melanin is rich in hair follicle epithelium, hair papilla, and hair cortex. Melanin selectively absorbs laser energy and the produced energy immediately forms local high temperature, which damages hair follicles and hair shaft, hinders and terminates hair growth. Laser energy tends to be easily absorbed by melanin in hair follicle and hemoglobin in dermal papilla nutrient vessels, and then producing photothermal effects. When the temperature in hair follicles rises to some certain degree, thermal expansion happened in hair follicle fractures melanin cells and be pushed out of hair pores by steams. At the same time, dermal papilla nutrient vessels are damaged because of hemoglobin solidification. Under above dual functions, effective hair removal will be achieved.
