my first lip injections back in 2016 with JUVADERM, but I wasnt happy cuz It wore off very quick ,so in 2017 I went to get it again this time in a professional doctor clinic(notJuvaderm) this time it last way longer than my first one, but after 3/4 months I felt like there is no product left, so 6 months later I went there again and she used NEAUVIA Intense it was late April this year, it is July now, so about 3 months and I do feel like it is wearing off. Why it wears off super quick?