Lip overfilling due to hyaluronic acid is temporary as the product dissolves. It is not possible for standard hyaluronic acid products to be in place after 3 years. The overfilled look that remains may be due to scar tissue, lymphedema, mild chronic infection due to...
I would return to your injector for an evaluation/examination. This would be a difficult question to answer over the internet without an actual in-person exam. Good luck!
I recommend that you wait a full two weeks after injection before taking further action. It can take that long for swelling to resolve and lumps that you feel to soften and settle. If you still have concerns at that point you can return to your injector and have the product dissolved with h...