Revofil appears to be a hyaluronic acid filler used in Europe, so you can probably have it dissolved with hyaluronidase. You can also massage the lump to help it dissipate. It is most important to go to an experienced injector who has extensive knowledge of the facial anatomy and uses approved...
Juvederm is a hyaluronic acid filler and lasts 6-12 months. Some side effects include bruising, swelling, redness, nodules and infection. If you are unhappy with your results it can be reversed with hyaluronidase.
I wouldn’t worry about the bumps 2 days after Juvederm injections. It’s not uncommon to have some swelling and bumpiness following Juvederm injections. It is usually temporary and might take 2-3 week to resolve. Once the swelling is resolved you should see your injector. If there are still so...