Filler for Nasolabial folds? What kind of risks are associated with filler in this area?

There are several risks in injecting filler i the NL area and these are for the most part present in just about every area injected with filler. The minor ones are bruising , swelling, lumps.  The moderate are the tinsel effect where the filler when placed to superficially turns a blue tint and over filling / uneven filling. The more severe infection , compression of the vein system, nodule formation. The worst occlusion of the artery supplying tissues in the area notably the upper lip and noseI recommend you find a well trained physician to inject you and avoid coupon deals, non MD spas and home parties like the plague.