660nm Diode laser (also called low-level laser) can treatment Hair Loss and accelerate hair growth and thickening of hair in the treated areas.It is penetrate the surface of the skin with no heating effect, no damage to the skin and no known negative side effects .
The laser in mid-600nm range includes a temporary increase in skin blood flow with radiant exposures between 0.12 and 0.36 J/cm2. This increase in blood flow is crucial to promoting a healthy hair follicle. It brings the important nutrients into the follicle, like ATP, while taking away harmful waste products such as DHT. ATP increases cellular metabolism and cellular activity.