Fibrocell Receives FDA Approval for LaViv Updated with more information, stock reaction. EXTON, Penn. (TheStreet) — U.S. regulators approved Wednesday Fibrocell Sciences’ Laviv, a personalized cell-based dermal filler, according to an FDA spokeswoman. Fibrocell will market LaViv for the treatment (smoothing out) of nasolabial fold wrinkles — those are the skin folds that run from [...]