Photobiostimulation provides various positive effects on the body. The first of which is energizing cells. How does this work exactly? As mentioned in Dr. Kaslow's article on Low Level Laser Therapy (LLLT), light is energy. When unhealthy cells are irradiated with these low level laser, the cells are re-energized and therefore will be restored. When low level laser penetrates the skin, the cells absorb the light, and the energy converted from the light restores the cells' metabolic functions. The second positive effect positive effect of LLLT is Circulation.