Electric Automatic Hyaluron Pen Packing: host + power plug Specification: 0.5ml Adjustable dosage: 0.02ml/0.03ml/0.05ml/0.08ml/0.10ml Electric automatic hyaluron pen working principle: Mesotherapy (derma filler serum injection pen) is any serum can be used into the stratumbasale. After scientific experiments, this electric hyaluron pen device was used to shoot hyaluron acid into the lips, neck and face without needle. How does electric hyaluron pen work? The pressure from the pen is strong enough to force the liquid mixture into the skin. ... Hyaluronic acid dermal fillers, fat dissolving are usually used by the hyaluron pen. Advantages of Electric Hyaluron Pen : 1. Painless injection 2. Injection without needle eliminates the risk of infection from the needle 3. Does not leave scars and puncture marks of the skin tissue with a needle 4. Better and faster absorption of drugs 5. Strictly subcutaneous injection - eliminating the risk of penetration of the drug into the muscle 6. Fast, easy and safe 7. Separate and economical dosing of the drug 8. Aceept OEM logo.