The PDO threads are studded with tissue-snagging, multi-directional barbs that once anchored in the deep tissues, the barbed thread will snag and lift the skin by repositioning the sagging tissues to its original youthful position. As it contours, volumizes and smooths the skin, the result is accentuation of the youthful jawline and cheekbone definition, or the youthful appearance of other parts of the body.