... scar removal 0.2,0.25,0.3,0.5,0.75,1.5.2.0,2.5,3.0mm ... with CE 1, Micro needle roller is ... ability to naturally stimulate collagen and elastion production in the skin without damage. It can be used ... alopecia(hair loss) for both men and women.2.specificationderma roller for skin rejuvenatio,wrinkle removal,acne ... treatment,scar removal0.2,0.25,0.3,0.5,0.75,1.5.2.0,2.5,3.0mm ...