SHR is a update of IPL technology, it can shot more times in every second and energy more higher. It utilizes the principle of elective absorption of light to works on hair follicle. The light will be absorbed by Melanin of hair. So that the hair follicle be resolved and run out by body's metabolism. The hair lost the basic to grow, after the hair follicle be destroyed. Then It will fall off automatically and be removed permanently.
E - Light is a combined energy technology of bi-polar radio frequency or RF and optical or light for deeper and much more effective penetration into the dermal layer of the skin.
Nd yag Laser light can erupt high energy in an instant, after absorbing the laser energy, the pigment in the tattoo broke instantly, then becomes tiny pigment group, finally get out from body with metabolism.