abstract |
The present invention relates to injectable dermal filler compositions in the form of a gel comprising hyaluronic acid (HA), carboxymethylcellulose (CMC) and, optionally, microparticles such as calcium hydroxyapatite microparticles (CaHAP). Injectable dermal filler compositions have improved rheological properties while at the same time having low extrusion forces. The present invention further relates to a method for preparing said injectable dermal filler compositions and their use for cosmetic and therapeutic purposes. |