1.Micro needle for skin care 2.Stainless needle 3.Five kinds of ... Roller Micro-needle for skin problems as Wrinkles,aged skin,acne scar,large pores,stretch marks,whitening,hyper pigmentation ect. ... needle . 0.2mm for the improvement of the skin color.0.5mm for fine lines,wrinkles,hair loss ... /chicken pox scar/surgical,sagging skin,cellulite ect.2.0mm for very damaged ,wrinkles skin or veru deep scar ect ...