beauty microneedle roller disposable sterile 0.3ml 0.5ml hyaluronic pen ampoule head for needle free

fast injection in less than 1/3 of a second, micro orifice, and the automated spring pressure make injections with 'the sera' virtually painless they are disposable, thus eliminating the possibility of cross-contamination. the seratm can be used for over 10,000 injections, and it is operated by a self-powered spring. advantage: ---needle ---no painful ---fast, easy and safe in effect ---no risk of needle-stick injuries ---eliminates cross-contamination ---long lifespan with low maintenance buyers may return the item(s) for a refund if they are not as described or with quality issues within.syi