Hair loss is a common problem today seen among the youth and middle-aged men and women. Among the treatments available for hair loss and alopecia, Low Level Laser treatment is an important method which uses Low Level Laser or light emitting diodes. The treatment works through a mechanism called Photobiomodulation. Ever since the method was introduced in the field of hair treatment, it has shown promising results. When the light is applied to the skin for a longer period of time, it has an impact on the molecules of the hair follicles. This makes the hair follicles healthier and more revitalized thus reducing hair loss, making the hair thicker and increasing the density of the hair.