Results The reduction in nasolabial wrinkles was statistically significant at 6 months after the first implant.
The aesthetic improvement of 1 grade on WSRS was evident in 95% of subjects up to 3 months, in 84% of subjects up to 6 months and in 27% up to 12 months.
A clinically (> 1 point improvement) and statistically significant improvement in the FVLS was observed at each study visit; in 100% of treated cases, up to 3 months and in 61% up to 9 months.
Good results were obtained during the study in skin hydration. There were no severe adverse events related to treatment.