... the premise of safety(not hurt of skin ),It will remove various pigmentation and angioedema spot on the face, simultaneously , ... and RF current to decrease activity of sebaceous gland and remove the pigmentation sediment , stimulating the collagen to make it ... eyebrows, grain lips, and tattoos, grain eyeliner and lip.4, remove coffee spot, freckles, senile plaque, moles pigment skin lesions. ...