Assess facial rejuvenation with HA delivered with high-frequency high-intensity ultrasound Split-Face, Randomized, Placebo-Controlled, Double-Blind Study to Investigate Passive Versus Active Dermal Filler Administration.
Correction of Nasolabial folds with Hyaluronic acid Safety and efficacy of hyaluronic acid for the correction of nasolabial folds: a meta-analysis.