I have faced the same problem with novielle gel plus, no inflamation, just hardening of the product. it has been almost a year now but still there and hard and nobody knows how to get rid of it.
My Dr suggests to inject tyosal around it to correct the problem but I am worried as I am not sure if you can mix fillers. He wants to inject ultra deep. Do you suggest I should try it for correction or refrain from it?
If the problem is hardness then I would wait for it to dissolve before adding more stuff around it. Novielle is harder and longer lasting much like Radiesse and TeoSyal is softer as an Hyaluronic Acid, much like Juvederm. I do not have any experience injecting either as they are not FDA approved in the U.S.. I would suggest you see a few other well known doctors in your area and see what they suggest.