Vital injector insert to skin dermis contact with blood directly and may be touch blood vessel so many people concern about if it is safe enough.
The vital injector needle use blunt head to avoid blood vessel hurt.
Each time of injection dosage and depth setting by machine always same.
Needle been through very strict quality control and sterilized, also packed by sterilzied bag.
So it is very safe to use, even a little bleeding during injection, actually it won;t cause any hurt and totally safe to use.
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