Comparison of fine lines before and after facial threading. Entire face before (a) and after (b) threading. Right cheek before threading (c), after application of a layer of white powder and before threading (d), and after threading (e). Digital image of the forehead skin before (f) and after (g) threading. Digital image of the corner of the mouth before (h) and after (i) threading. 3D image of the forehead skin before (j) and after (k) threading. 3D image of the corner of the mouth before (l) and after (m) threading. 3D images were photographed with Skin Visioscan® VC98 and Video Digitizer VD300.