... and skincare 3.can OEM high quality beauty derma roller (various sizes) with CE approved details itemsbeauty derma ... yellow,bule, green, purple are availablesize0.20, 0.25, 0.30, 0.50, 0.75, 1.00, 1.50, 2.00, ... in common way.2.disinfection of micro-needles with alcohol.3.After about 15minutes, put micro- ... on the places which need to cure,accompanying with functional nutrition liquid.It can puncture more ...