Magik Thread Cog 4D L Cannula is a PDO thread for instant and quality results that last without invasive surgry.The 360-dregree helically positioned bards with 90 degree interval are designed to maximize tensile and anchoring strength, lifting the soft tissue,such as eyebrows to achieve an effective and long-lasting result, at the same time the cannula tip delivers virtually painless treatment and low risk of complication.