Indications Of Use:
Forehead Lines, Nasolabial, Marrionette Line, Scars, Crows Feet.
About PDO-SCREW 2938 :
Spiral, Tornado, Screw; all different names for same concept.
It has a little more tightening action.
Instead of straight soft threads, it is doubled and turned screwed around the micro needle, giving more firming action by tightening the tissue