Stabilized hyaluronic acid gel for volume restoration and contouring of the buttocks: 24-month efficacy and safety.

Background: Stabilized hyaluronic acid (HA) of nonanimal origin manufactured using the patented NASHA® technology has been developed for use in body shaping. This study was performed to assess the safety and efficacy of stabilized HA gel when used for volume restoration and contouring of the buttocks.

Methods: Subjects 20 years of age or older seeking buttock augmentation were recruited to this noncomparative multicenter study (NCT01331408).