Comparative Ultrasound Analysis of Two Hyaluronic Acid Dermal Fillers

To assess and compare tissue aggregation and visualization of two Hyaluronic Acid fillers via ultrasound

Inclusion Criteria:Subject with midface volume loss and contour deficiencyAbility of giving consent for participation in the studyAgreement to adhere to the procedures and requirements of the study and to report to the institute on the day(s) and at the time(s) scheduled for the assessmentsExclusion Criteria:History of allergy or hypersensitivity to lidocaine and/or injectable hyaluronic acidPrevious permanent or semi-permanent implant in proposed treatment areaPrevious biodegradable tissue augmentation therapy in the proposed treatment area within 12 months prior to the baseline visitHistory of other facial treatment/procedure at the study area (midface) in the previous 6 months that would potentially interfere with study injections (e.g., facial surgery, oral surgery, resurfacing, mesotherapy, lipolytic injections, botulinum toxin injections)