Collagen and other facial fillers can cause a delayed or non-resolved granulomatous reaction whcih may manifest as a lump or bump under the skin. These can be treated with surgery alone or TAC injection.
can collagen injections cause bumps to appear many years later?
Collagen and other facial fillers can cause a delayed or non-resolved granulomatous reaction whcih may manifest as a lump or bump under the skin. These can be treated with surgery alone or TAC injection.
Delayed granuloma formation has been reported for bovine collagen and bovine collagen based fillers. If this occurs, one should seek consultation from a board-certified dermatologist. On the other hand, none has been reported for Evolence which is a porcine collagen based filler that has been demonstrated to... more