... eye and lip beauty product derma roller with CE approved details itemsbeauty derma rollermaterial of needlestainess steelmaterial ... ,bule, green, purple are availablesize0.20, 0.25, 0.30, 0.50, 0.75, 1.00, 1.50, 2.00 ... .disinfection of micro-needles with alcohol.3.After about 15minutes, put micro-needles end on your ... your skin,in mild pressure!5.clean the derma roller after use. store it in dry & clean ...