Biostimulators that rebuild the skin's own collagen for gradual, long-lasting volume and firmness. Includes poly-L-lactic acid (PLLA) such as Sculptra, Juvelook, AestheFill, Olidia and PowerFill, calcium hydroxylapatite (CaHA) such as Radiesse, and polycaprolactone (PCL) such as Gouri.
