Understanding the Difference Between Hyaluronic Acid Fillers and Calcium Hydroxyapatite Fillers (Radiesse) Cosmetic fillers have transformed aesthetic treatments, offering effective solutions for volume loss, wrinkle reduction, and facial contouring without invasive surgery. Two of the most popular types of dermal fillers are hyaluronic acid (HA) fillers and calcium hydroxylapatite (CaHA) fillers, with Radiesse being the primary CaHA filler on the …