https://www.selleckchem.com/pr....oducts/leptomycinb.h
The therapeutic effects of hyaluronic acid dermal fillers to correct facial wrinkles and folds usually last up to 6-12months. Few studies have evaluated their long-term safety. To evaluate the long-term safety and biodegradability of two hyaluronic acid dermal fillers (YVOIRE classics and YVOIRE volumes) for the correction of nasolabial folds (NLFs) in two prospective, observational studies. Subjects scheduled to receive the injections of YVOIRE classics (N=503) or YVOIRE volumes (N=503) at NLFs were followed up until complete clini