... time, For the light power is much less than that in IPL so under the condition of not hurting epidermis tissue, More ... enough energy penetrating depth and possible pigmentation by melanin, so we can acclaim RF is a perfect usage on dermal ... Face lifting, Rejuvenation, Pigmentation, Vascular, Acne , Hair removal.STechnical Parameters:S Spectrum: 560~1200nm (green button) 640~1200nm(yellow button) (430nm ...