Had 2 vials, one in each side of cheek. left side was fine; right side hurt when injected and then bruised. Later it swelled, then tiny blisters appeared on the side of my nose down to my mouth along the laugh line. It got a blood test and it wasn't herpes as my Derm. had suggested. Turns out it was a shock to the nerve that cause an outbreak of shingles. Not fun.
This product may have great results but patients should be warned that there are many side affect.