Filler facial is a PLLA (Poly-L-Latic Acid -- which is the exact same material you'll find in the filler Sculptra at your derm's office) Bio Stimulatory dermal filler, which means it stimulates your own skin to produce new collagen. PLLA will help reduce wrinkles and helps to fill in hollow or sunken areas on the face. The effects of PPLA appear gradually over a few months, producing natural results. There's no downtime, except avoiding water and sweat for 12 hours, and the results are cumulative. Series of 5 treatments is recommended for best results.