... needles 5.Derma Roller Micro-needle for skin problems as Wrinkles,aged skin,acne scar,large pores,stretch marks, ... needle . 0.2mm for the improvement of the skin color.0.5mm for fine lines,wrinkles,hair loss ... 5mm for deep wrinkles ,acne/chicken pox scar/surgical,sagging skin,cellulite ect.2.0mm for very damaged ,wrinkles ... skin or veru deep scar ect. If you are ...