OLIDIAOlidia PDO Threads for Non Surgical Lifting and Skin Rejuvenation Olidia PDO Threads are premium Korean lifting threads designed to provide non surgical facial lifting, skin tightening, and collagen regeneration. Using biodegradable polydioxanone (PDO) material, Olidia threads are inserted into the skin to lift sagging areas, improve skin texture, and stimulate collagen production for a youthful appearance. Suitable for both facial and body