If a touch-up application was administered, the photograph and Global Aesthetic Improvement Scale (GAIS) assessment were completed prior to the touch-up injection. At 3, 6, 9, and 12 months visits, the subjects returned for physician
evaluation. For the assessment of safety and efficacy, photographs of the nasolabial area were taken.
The evaluation was carried out using the GAIS and WSRS for efficacy. Safety was assessed by recording any medication changes or adverse events (AEs) during the 12-month follow-up