The WSRS is a valid and reliable instrument for quantitative assessment of facial skin folds, with good inter- and intra-observer consistency. By allowing objective and reproducible grading of data, the WSRS should prove a useful clinical tool for assessi
This study demonstrated, in real-life conditions and on a large sample, that PLLA injections were feasible, efficient, and safe when performed by trained physicians.
At week 24, mean improvement in WSRS from baseline was 2.09 0.68 for the PLA side and 1.54 0.65 for the HA side. Both injections were well toler- ated, and the adverse reactions were mild and transient in most cases. PLA provides noninferior efficac
