There are kinds of reason causing the hair loss, among which Androgenic Alopecia account for 90% with symptoms of hairline receding, hair thinning and falling off. Androgenic Alopecia is a result that the follicle attacked of DHT causing lack of blood flow and nutrition supply to the follicle.
Low Level Laser with wave length of 650nm and power of 5mw are tested and proved to be effecient to penetrate the scalp and reach the follicle, power delivered to the follicle may accelerate the blood flow and metabolism, enabling follicle restoration and hair regrowth.
Low Level Laser Therapy is not almighty, the precondition is the hair follicles are still active, you may apply hair loss scale for reference.
the sooner you begin the treatment
the more chance you gains