... Hyper Pigmentation Treatment 2, When using different kinds of needle?You should choose the roller which will be suitable according ... hypersensitive response, consult with your doctor.4)Keep the micro needle part always clean5)Store in a safe place out of ... .5,3.0mm0.2,0.25,0.3mm for home use0.5,0.75 for clinical use1.0mm for ... Packing size: 19*14.5*5cm/unit electric automatic micro needle therapy system