bio roller g4 microneedle roller 1200pin needles for bear hair growth skin care

shell material:abs plastic.
number of needles:1200 stitches.
needle material:stainless steel/titanium.
needle length:0.25/0.5/0.75/1.0/1.5/2.0mm.
color:white+black. g4 bio roller can penetrate the epidermis and creat thousands of micro channels to initiate skin tissue repair, stimulate cell regeneration, and promote scalp renewal. use with hair growth fluid to double absorption and continue to provide active energy and nutrients for maximum protection against hair loss..syi