Facial rejuvenation with the new hybrid filler HArmonyCa™: Clinical and aesthetic outcomes assessed by 2D and 3D photographs, ultrasound, and elastography.

The HA/CaHa hybrid filler (HArmonyCa™), besides its volumizing and lifting properties, was associated with an increase in the viscoelasticity, both at the level of the reticular dermis and the subcutaneous cellular tissue, which might be indicative of the formation of new collagen fibers.