Hyaluronic Acid Pen has a special piston with a spring, which provide a uniform and quick administration of drugs that are being used.The microscopic hole, through which cocktails and biorevitalizants are putted under the skin, is twice smaller than the diameter of the needle used .While administering cosmetic substances by Hyaluronic Acid Pen, drugs are absorbed and distributed under the skin much better in comparison with simple made by a basic needle.
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