Product Description
The Deenora PDO Cog 6D Thread features precision-engineered 360° rotating cogs—the "6D" designation refers to the six-directional barbed surface that provides superior tissue anchoring compared to traditional 3D or 4D threads. This advanced design offers several distinct advantages:
(1)360° Rotating Cutting: The sawtooth structure with full circumferential barbs grabs tissue from all angles, providing a stronger and more secure lift than uni-directional threads
(2)Bidirectional Anchoring: Barbs oriented in opposing directions allow the thread to hold tissue securely from both ends, preventing migration and ensuring long-lasting lift
(3)Enhanced Lifting Power: The 6D configuration provides stronger pulling force suitable for embedding in thicker skin layers and treating moderate to severe sagging
(4)Uniform Collagen Stimulation: The multi-directional barb pattern creates consistent micro-trauma throughout the treatment area, promoting even collagen regeneration


| Thread Type | PDO Cog 6D (360° bidirectional barbs) |
| Needle Gauge | 19G |
| Needle Length | 100mm |
| Thread Length | 155-170mm |
| Model Options | L-type cannula / W-type cannula |
| Material | PDO (Polydioxanone) |
| Absorption Time | 6-9 months |
| Result Duration | 12-24 months |
The Deenora PDO Cog 6D Thread operates through a clinically proven dual-action mechanism:
Phase One – Immediate Mechanical Lift
Upon insertion via the 19-G blunt cannula, the 6D cogs engage with the subdermal tissue, providing an instant lifting effect. The barbs anchor into the SMAS layer (Superficial Musculoaponeurotic System) or deep fat layer, mechanically pulling sagging tissue upward. Patients see visible improvement immediately after the procedure .
Phase Two – Long-Term Collagen Biostimulation
As the PDO material gradually degrades through hydrolysis, it triggers a controlled inflammatory response that activates fibroblasts. This process stimulates:
(1)Neocollagenesis: New Type I and Type III collagen production
(2)Neoelastogenesis: New elastic fiber formation for improved skin bounce
(3)Neovascularization: Increased blood supply to the treated area
(4)Tissue Regeneration: Improved skin texture, firmness, and hydration
The thread is fully absorbed within 6-9 months, but the collagen structure it stimulates continues to provide lifting and tightening effects for up to 2 years post-procedure.
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