VOLLOV is a dermal filler based on cross-linked hyaluronic acid of non-animal origin. It is biocompatible with human tissues and it breaks down naturally over time. The endotoxin level in this filler is less than 0.5 EU / ml, which minimizes the various side effects that may occur after the procedure. Bellast Ultra L contains lidoca ine, which makes the procedure absolutely painless for patients.