... high-energy in a very short time. With the big impulsion and calefaction of the laser, the pigment tissue will inflate swiftly ... colour of pigment absorbs the different laser wavelength, furthermore, black pigment and hemoglobin strongly absorbs the light of 1064nm and 532nm, that ... . I f there is problem, we will try our best (with words, pictures, video way) to help you in your side ...