I Do not typically used perlane to increase the volume in lips. The reason for this is that perlane is a thicker hyaluronic acid filler but is typically used to fill deeper folds and volume eyes the face. I would recommend that you seek a consultation with a board-certified physician and consider hyaluronidase for removal of the excess of the hyaluronic acid.
Perlane and juvederm are hydrophylic (meaning they attract and absorb water). This causes an initial over filling of the area and then the "full" or swollen appearance goes down after a few days. You may either need more Juvederm to augment the refinement treatment or to dissolve a bit of the Perlane with Hylenex (hyaluronidase). Either way, this can be corrected without any permanent problems. Just have the doctor explain what he/she proposes because it will affect the overall volume of the lips.
Perlane lumps and then reinjected with Juvederm
Trying to cover up lumps in the lips with another injection probably will not work. The Juvederm looked great - while it was retaining water and swollen. When that went away, the lumps are back. So you need to have the lumps dissolved with hyaluronidase.
"This answer has been solicited without seeing this patient and
cannot be held as true medical advice, but only opinion. Seek in-person
treatment with a trained medical professional for appropriate care."