THE INViSIBLE NEEDLE™ (34G): The World’s Thinnest Aesthetic Needle
THE INViSIBLE NEEDLE™ by TSK Laboratory Japan is the thinnest hypodermic needle ever manufactured in medical history. Engineered at an astonishing 34G (0.20 mm diameter)—33% thinner than standard 30G needles and 14% thinner than 33G—it transforms patient injection comfort into a virtually painless experience with zero bleeding, minimal erythema, and complete eradication of needle anxiety.
34G (0.20 mm)
33% Thinner than 30G
Virtually Painless
Low Dead Space Polymer
Micro-Needle Breakthrough
Unmatched Fineness & Clinical Benefits
34G Micro-Diameter Engineering
Achieving a 34G outer profile allows the needle to penetrate epidermis and nerve endings almost without receptor activation, delivering true near-painless toxin and mesotherapy treatments.
Negligible Bleeding & Hematoma Risk
The microscopic entry footprint leaves capillary vessels undamaged, virtually eliminating post-procedure bruising, bleeding, or petechiae—ideal for patients requiring immediate return to social activities.
Integrated Low Dead Space Hub
Equipped with TSK’s patented Low Dead Space hub, eliminating medication retention to save precious units of neurotoxin on every single injection pass.
Non-Flexing Hard Polymer Hub
Molded from ultra-rigid medical resin that withstands high extrusion pressures without flexing or ballooning, ensuring absolute leak prevention and needle security.
Visual Technology
Evidence of 34G Precision & Structural Superiority
Microscopic and structural inspection demonstrating the groundbreaking engineering behind THE INViSIBLE NEEDLE™.
Technical Specifications



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