derma pen needle cartridge wholesale 1 pin&3 pins&7 pins&9 pins&12 pins&36 pins nano 50pcs/lot

needle types:1pin,3pins,7pins,9pins,12pins,36pins,nano ,12 titanium needles;function:scar removal,skin rejuvenation,hair regrowth treatment;connection type:screw type or bayonet type;these needles cartridges are disposable; uses:cell regeneration improve complexion anti wrinkle pigmentation corrector acne removal shrink pore stretch&cellulite marks treatment hair re-growth