50pcs 0.3ml 0.5ml Ampoule Head Disposable Sterile Adapter Mesotherapy for Hyaluron Pen Beauty Equipment

Needle free,Many people suffer from needle phobia. Our Needle Free Technology alleviates needle phobia with needle-free injection. Fast injection in less than 1/3 of a second, micro orifice, and the automated spring pressure make injections with 'THE SERA' virtually painless. The use is simple. It can be used by patients for self-injection, or other individuals can administer injections of the prescribed medication. The needle-free syringe is injected by using a super-strong special spring to form a liquid through a ampule to form a liquid. The column penetrates the skin and is sprayed under the skin. They are disposable, thus eliminating the possibility of cross-contamination..syi