I have had 3 treatments using Diode LightSheer for laser hair removal for my full bikini, but I have darker skin (near brownish color) on my labial areas, and the hair does not seem to be reducing in these areas. The rest of my frontal bikini is a pale yellowish (I am half Asian, half Caucasian), with some golden-brownish patches of skin here and there.Is there a diode setting (pulse width,...