2 IN 1 OPT SHR laser machine uses the techonology of OPT hair removal and Q switched ND yag laser tattoo removal scarring. Optimum Pulse Light (OPT) is an advanced and improved version of Intense Pulse Light (IPL). OPT SHR Laser is a new technology of permanent hair removal which is having a sweeping success. The Q-switched laser uses a "Q-switched" technique to emit tight pulses of concentrated photons (light energy) which can heat deeper layers of skin without damaging or scarring skin tissues.